List of Tongxin Jishu Shiyan Launches

Orbital Focus - International Spaceflight Facts and Figures

Tongxin Jishu Shiyan

Tyneside, UK
2025 May 16
Friday, Day 136

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The table lists all launches by China under the name TJS.

2015-046 CZ 3B Xichang Space Centre						2015 Sep 12, 15:04
Tongxin Jishu Shiyan 1 (Communication Technology Test 1, TJS 1) 2015-046A 40892						in space
Reportedly a communications test satellite although its precise purpose has not been disclosed and indicationsare that it may carry missile early warning detectors.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2015 Sep 13, 06:28	24387	0.7305	195	35823	631.70	27.10	180
2015 Sep 23, 15:31	42164	0.0002	35776	35795	1436.05	0.18	260	155°.0 E
2023 Feb 12, 21:35	42167	0.0002	35780	35797	1436.21	0.09	75	154°.7 E

2017-001 CZ 3B Xichang Space Centre						2017 Jan 5, 15:18
Tongxin Jishu Shiyan 2 (Communication Technology Test 2, TJS 2) 2017-001A 41911						in space
Chinese satellite described as being for communications experiments. May actually be a military Signals Intelligence (SIGINT) satellite.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2017 Jan 6, 03:38	24381	0.7301	203	35802	631.44	27.47	180
2017 Jan 16, 22:19	42164	0.0002	35779	35793	1436.06	1.00	119	107°.5 E
2023 Feb 13, 02:29	42164	0.0004	35771	35801	1436.07	0.15	147	66°.5 E

CZ 3B fourth stage 2017-001B 41912						Re-entered - 2020 Jan 21 Life 1111 days
Launched TJS 2.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2017 Jan 5, 20:49	23629	0.7231	164	34338	602.47	27.46	179

2018-110 CZ 3C Xichang Space Centre						2018 Dec 24, 16:53
Tongxin Jishu Shiyan 3 (Communication Technology Test 3, TJS 3) 2018-110A 43874						in space
Probably military in nature and maybe intended for signals intelligence gathering (SIGINT). Initially in co-orbit with TJS-3 payload 2 and was probably attached to it on arrival at their original GEO station. Commenced eastward drift 2019 May 20 to begin a stop-start journey around the geosynchronous belt. From 2019 Sep - Dec, it stopped alongside Shijian 13 (42662/2017-018A) at 111° east, then 2020 Feb - 2021 Aug it was co-located with Shijian 20 (44910/2019-097A) at 88° east before commencing a westward drift. 2021 Oct it settled near 59° east alongside 2018-110C from where it had originally departed, remaining there until 2022 Jul 5. Continued to follow GEO belt and made further stops 2022 Sep 13 at 88° east near USA 233 (38070/2012-003A)) and 2023 Feb 8 at 137°.5 east near USA 298 (45465/2020-022B).
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2018 Dec 24, 22:36	24374	0.7309	180	35811	631.17	28.48	179
2018 Dec 31, 14:55	42165	0.0002	35778	35795	1436.09	0.11	320	58°.9 E
2019 May 20, 19:46	42166	0.0001	35783	35792	1436.14	0.04	68	59°.0 E
2019 May 21, 18:44	41968	0.0003	35577	35601	1426.03	0.06	43
2019 Jun 29, 14:35	42006	0.0003	35615	35640	1427.97	0.06	284
2019 Jul 6, 16:42	42165	0.0003	35774	35800	1436.13	0.04	324	173°.1 E
2020 Aug 3, 21:28	42164	0.0007	35755	35817	1436.07	0.06	299	173°.0 E
2020 Aug 4, 16:48	42263	0.0002	35877	35892	1441.11	0.05	289
2020 Aug 20, 20:43	42265	0.0001	35881	35893	1441.23	0.03	41
2020 Sep 20, 18:09	42269	0.0002	35882	35899	1441.42	0.10	95
2020 Sep 22, 13:20	42166	0.0000	35786	35790	1436.15	0.10	147	110°.7 E
2020 Dec 18, 00:42	42166	0.0000	35786	35790	1436.16	0.09	98	110°.8 E
2020 Dec 18, 20:35	42216	0.0000	35836	35839	1438.70	0.08	101	110°.4 E
2021 Jan 21, 02:23	42219	0.0002	35835	35848	1438.89	0.04	171	87°.8 E
2021 Jan 22, 14:56	42164	0.0002	35779	35792	1436.05	0.03	187	87°.7 E
2021 Aug 30, 16:28	42166	0.0007	35759	35816	1436.14	0.44	30	87°.8 E
2021 Aug 30, 22:22	42204	0.0003	35815	35836	1438.10	0.44	219	87°.6 E
2021 Aug 31, 15:42	42215	0.0000	35835	35838	1438.67	0.45	300	87°.2 E
2021 Sep 2, 18:43	42219	0.0001	35835	35847	1438.87	0.11	216	85°.8 E
2021 Sep 16, 12:21	42220	0.0002	35834	35849	1438.90	0.08	216	76°.2 E
2021 Sep 16, 17:44	42227	0.0003	35835	35863	1439.28	0.08	231	76°.0 E
2021 Oct 7, 23:01	42226	0.0003	35835	35860	1439.23	0.04	233	59°.2 E
2021 Oct 8, 16:33	42165	0.0001	35784	35790	1436.10	0.04	244	59°.0 E
2021 Dec 7, 16:50	42167	0.0002	35782	35795	1436.19	0.06	11	59°.1 E
2022 Jul 4, 18:18	42165	0.0004	35771	35803	1436.12	0.11	184	59°.0 E
2022 Jul 5, 09:11	42198	0.0004	35803	35837	1437.79	0.11	349	58°.7 E
2022 Jul 6, 11:01	42215	0.0001	35833	35841	1438.68	0.11	253	58°.0 E
2022 Jul 18, 20:53	42164	0.0011	35742	35830	1436.06	0.07	111	50°.2 E
2022 Jul 19, 10:40	42114	0.0001	35730	35742	1433.50	0.07	304	50°.5 E
2022 Sep 12, 22:54	42138	0.0008	35728	35792	1434.72	0.07	164	88°.2 E
2022 Sep 13, 14:46	42164	0.0001	35781	35791	1436.07	0.08	184	88°.3 E
2022 Nov 18, 16:26	42137	0.0005	35737	35780	1434.67	0.06	257	88°.8 E
2022 Nov 18, 23:45	42115	0.0001	35732	35742	1433.57	0.06	176	89°.1 E
2023 Feb 7, 14:36	42142	0.0005	35744	35784	1434.94	0.10	34	137°.4 E
2023 Feb 8, 15:05	42164	0.0010	35745	35827	1436.08	0.10	33	137°.5 E
2023 Mar 25, 18:23	42122	0.0006	35718	35771	1433.93	0.02	272	138°.0 E
2023 Mar 26, 17:01	42100	0.0001	35718	35727	1432.81	0.02	281	138°.6 E
2023 May 15, 13:35	42221	0.0000	35842	35844	1438.97	0.05	278	177°.2 E
2023 May 21, 20:58	42164	0.0001	35782	35790	1436.07	0.04	226	173°.0 E
2024 Nov 6, 19:41	42165	0.0005	35766	35807	1436.11	1.02	160	173°.8 E
2024 Nov 13, 12:25	42197	0.0019	35739	35898	1437.73	1.04	2	173°.6 E
2025 Jan 14, 19:22	42197	0.0018	35741	35896	1437.74	1.20	356	148°.6 E
2025 Jan 16, 20:00	42165	0.0002	35779	35794	1436.11	1.21	57	148°.4 E
2025 Mar 16, 21:17	42164	0.0002	35777	35795	1436.08	1.36	22	148°.5 E
2025 Mar 17, 20:33	42230	0.0000	35852	35852	1439.45	1.36	276	147°.9 E
2025 Apr 11, 23:12	42233	0.0001	35852	35859	1439.60	1.43	14	126°.3 E
2025 Apr 15, 18:37	42234	0.0001	35851	35860	1439.63	1.44	15	123°.0 E
2025 Apr 23, 22:24	42235	0.0001	35852	35863	1439.71	1.46	25	115°.7 E

Tongxin Jishu Shiyan 3 payload 2 2018-110C 43917						in space
Instrumented rocket body - precise mission not known but almost certainly connected with TJS 3. Moved TJS 3 from transfer orbit to geosynchronous drift orbit and then to its GEO location where it released the satellite. Remained at 59° east after TJS 3 departed 2019 May 20 then returned to the location 2021 October. Ceased station keeping and commenced manoeuvre to graveyard orbit 2021 November.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2018 Dec 31, 13:21	42203	0.0009	35787	35863	1438.07	0.11	131	59°.7 E
2019 Jan 1, 13:19	42145	0.0006	35740	35794	1435.09	0.10	61	59°.0 E
2019 Jan 2, 16:36	42166	0.0001	35784	35791	1436.14	0.10	30	59°.1 E
2021 Aug 30, 21:49	42165	0.0006	35760	35813	1436.10	0.11	277	59°.0 E
2021 Nov 19, 18:49	42164	0.0007	35758	35815	1436.08	0.09	103	59°.2 E
2021 Nov 20, 11:12	42177	0.0004	35782	35815	1436.71	0.09	105	59°.1 E
2021 Nov 27, 03:03	42176	0.0004	35782	35814	1436.67	0.13	88	58°.1 E
2021 Nov 28, 12:38	42219	0.0013	35785	35896	1438.85	0.46	23	57°.1 E
2021 Nov 30, 15:23	42472	0.0010	36051	36137	1451.84	0.47	7
2021 Dec 2, 15:23	42713	0.0007	36306	36363	1464.17	0.36	7
2025 Mar 17, 15:31	42710	0.0004	36315	36350	1464.06	3.48	99

CZ 3C upper stage 2018-110B 43875						in space
Launched TJS 3.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2018 Dec 25, 08:48	24124	0.7258	237	35255	621.50	28.50	180

2019-070 CZ 3B Xichang Space Centre						2019 Oct 17, 15:21
Tongxin Jishu Shiyan 4 (Communication Technology Test 4) 2019-070A 44637						in space
Described as a technology test satellite, TJS 4 is probably military in nature and intended for signals intelligence gathering (SIGINT).
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2019 Oct 18, 03:45	24387	0.7303	200	35818	631.68	27.03	180
2019 Oct 29, 15:28	42166	0.0003	35775	35800	1436.14	0.09	276	83°.5 E
2019 Nov 9, 02:47	42164	0.0003	35771	35800	1436.03	0.06	280	83°.5 E
2023 Feb 12, 17:37	42166	0.0005	35767	35808	1436.14	0.04	257	83°.5 E

CZ 3B fourth stage 2019-070B 44638						Re-entered - 2024 Nov 2 Life 1843 days
Launched TJS 4.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2019 Oct 18, 03:41	23963	0.7256	197	34973	615.27	27.01	179

2020-002 CZ 3B Xichang Space Centre						2020 Jan 7, 15:20
Tongxin Jishu Shiyan 5 (Communication Technology Test 5, TJS 5) 2020-002A 44978						in space
Described as a technology test satellite, TJS 5 is probably military in nature and possibly intended either for signals intelligence gathering (SIGINT) or to perform a missile early warning rôle. Precise launch time 15:20:14 UTC. Probably transferred to GEO Jan 9 and reached operational location the same day or shortly after. 2021 early-Feb, it was joined by by TJS 6 (47613/2021-10A) and they remained together until Apr 16, approaching to within 10 km of each other. After one month in drift orbit, arrived at new location.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2020 Jan 8, 04:08	24378	0.7304	195	35804	631.32	27.46	180
2020 Jan 17, 16:35	42166	0.0002	35779	35796	1436.15	1.00	24	178°.6 E
2021 Apr 16, 09:01	42164	0.0002	35777	35795	1436.06	0.08	10	178°.5 E
2021 Apr 18, 11:09	42361	0.0002	35973	35992	1446.11	0.09	359
2021 Apr 25, 12:28	42361	0.0003	35971	35994	1446.12	0.10	2
2021 May 2, 14:23	42361	0.0003	35970	35996	1446.14	0.12	5
2021 May 8, 21:08	42362	0.0003	35971	35996	1446.17	0.14	7
2021 May 15, 19:44	42164	0.0002	35777	35795	1436.06	0.16	38	107°.5 E
2023 Feb 13, 05:34	42165	0.0005	35768	35806	1436.12	0.16	150	107°.5 E

CZ 3B fourth stage 2020-002B 44979						Re-entered - 2021 Apr 3 Life 452 days
Launched TJS 5.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2020 Jan 9, 03:01	23692	0.7241	159	34469	604.89	27.45	180

2021-010 CZ 3B Xichang Space Centre						2021 Feb 4, 15:36
Tongxin Jishu Shiyan 6 (Communication Technology Test 6, TJS 6) 2021-010A 47613						in space
Described as a technology test satellite, TJS 6 is probably military in nature and possibly with a missile early warning rôle. Manoeuvred to geosynchronous drift orbit 2021 Feb 5 or Feb 6 and settled at its geosynchronous location after a small number of days. It joined TJS 6 (44978/2020-002A) and they remained together until Apr 16, approaching to within 10 km of each other.TJS 5 then departed for a new location.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2021 Feb 5, 04:57	24380	0.7305	193	35811	631.42	28.49	180
2021 Feb 19, 17:22	42164	0.0003	35775	35798	1436.08	1.00	43	178°.6 E

CZ 3B fourth stage 2021-010B 47614						Re-entered - 2022 Apr 2 Life 422 days
Launched TJS 6.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Feb 4, 18:09	23681	0.7239	160	34446	604.46	28.50	179

2021-076 CZ 2C + YZ-1S Jiuquan Space Centre						2021 Aug 24, 11:15
Ronghe Shiyan 1 (Integration Test Satellite 1) 2021-076A 49112						in space
Demonstrator satellite for Chinese government communications system for use by Internet-connected devices. Matched orbit height with 2021-076C Sep 7, to run about 3900 km ahead of it.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Aug 25, 04:29	7474	0.0014	1085	1107	107.18	86.40	306
2021 Sep 13, 04:59	7477	0.0014	1089	1110	107.25	86.40	246
2023 Jun 5, 04:00	7477	0.0014	1089	1109	107.24	86.41	288

Tongxin Jishu Shiyan 8? (Communication Technology Test 8?, TJS 8?) 2021-076B 49113						in space
Communications technology test satellite. Not acknowledged in initial press reports of the launch but included in the China Aerospace Science and Technology Corp report of lift-off. Three days after launch, started to reduce its orbit height rapidly, losing about 20 km per day under the influence of a constant force - probably a continuously-acting thruster. The manoeuvre was completed Sep 14.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Aug 24, 21:20	7475	0.0016	1085	1109	107.20	86.40	307
2021 Aug 29, 18:59	7426	0.0017	1035	1061	106.15	86.40	288
2021 Sep 11, 06:19	7275	0.0017	884	909	102.91	86.41	250
2021 Sep 14, 19:50	7242	0.0016	852	876	102.23	86.40	239
2023 Jun 5, 04:34	7242	0.0022	848	880	102.22	86.41	77

Ronghe Shiyan 2 (Integration Test Satellite 1) 2021-076C 49114						in space
Demonstrator satellite for Chinese government communications system for use by Internet-connected devices.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Aug 25, 09:51	7476	0.0018	1085	1111	107.22	86.40	303
2021 Sep 13, 02:44	7477	0.0017	1086	1112	107.25	86.40	244
2023 Jun 5, 04:09	7477	0.0017	1086	1112	107.24	86.41	283

YZ-1S rocket stage uncatalogued						Re-entered - 2021 Aug 24 Life <1 day
Launched TJS 8 and a pair of Internet Connectivity Test Satellites. Retro-fire shortly after releasing satellites reduced perigee to around 100 km then re-entered over south Africa where the plasma trail was observed at about 15:25 UTC.
Not Catalogued - orbit parameters unavailable

2021-077 CZ 3B Xichang Space Centre						2021 Aug 24, 15:41
Tongxin Jishu Shiyan 7 (Communication Technology Test 7, TJS 7) 2021-077A 49115						in space
Described as a technology test satellite, TJS 7 is probably military in nature and possibly with a missile early warning rôle.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2021 Aug 24, 22:18	24377	0.7309	181	35816	631.29	28.49	180
2021 Sep 7, 16:17	42164	0.0001	35781	35791	1436.07	1.00	263	146°.5 E
2022 Oct 28, 20:36	42166	0.0002	35779	35796	1436.15	0.06	44	146°.5 E
2022 Nov 1, 10:53	41833	0.0003	35442	35469	1419.20	0.07	92
2022 Nov 13, 18:39	41832	0.0003	35440	35469	1419.15	0.09	104
2022 Nov 25, 11:31	41832	0.0003	35440	35467	1419.11	0.12	120
2022 Nov 26, 14:56	42163	0.0002	35776	35794	1436.00	0.12	76	99°.5 W

CZ 3B fourth stage 2021-077B 49116						Re-entered - 2021 Nov 13 Life 81 days
Launched TJS-7.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Aug 24, 21:13	23672	0.7244	145	34443	604.11	28.44	179

2021-135 CZ 3B Xichang Space Centre						2021 Dec 29, 16:43
Tongxin Jishu Shiyan 9 (Communication Technology Test 9, TJS 9) 2021-135A 50574						in space
Described as a technology test satellite, TJS 9 is probably military in nature and possibly with a SIGINT rôle.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2021 Dec 29, 20:00	24373	0.7314	168	35820	631.12	27.09	179
2022 Jan 7, 13:31	42165	0.0004	35771	35803	1436.11	0.11	354	137°.3 E
2023 Feb 13, 14:50	42165	0.0002	35777	35796	1436.10	0.07	47	137°.3 E

CZ 3B fourth stage 2021-135B 50575						Re-entered - 2022 Sep 15 Life 260 days
Launched TJS 9.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2021 Dec 29, 20:07	23629	0.7245	131	34371	602.47	27.07	178

2023-169 CZ 7A Wenchang Space Centre						2023 Nov 3, 14:54
Tongxin Jishu Shiyan 10 (Communication Technology Test 10, TJS 10) 2023-169A 58204						in space
Described as a technology test satellite used mainly for multi-band and high-speed satellite communication technology , TJS 10 is probably military in nature and possibly with a SIGINT rôle. Released from launch vehicle at around 15:20 UTC. Propelled itself from GTO to GEO drift orbit Nov 4 at around 07:00 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2023 Nov 3, 21:00	24387	0.7311	179	35838	631.68	16.96	180
2023 Nov 9, 16:41	42118	0.0041	35567	35914	1433.73	0.10	42	172°.6 E
2023 Nov 10, 19:35	42165	0.0003	35776	35798	1436.11	0.09	247	173°.3 E

CZ 7A fourth stage 2023-169B 58205						Re-entered - 2024 Jan 14 Life 72 days
Launched TJS 10.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2023 Nov 3, 20:58	23589	0.7249	112	34310	600.94	16.97	178

2024-037 CZ 5 Wenchang Space Centre						2024 Feb 23, 11:30
Tongxin Jishu Shiyan 11 (Communication Technology Test 11, TJS 11) 2024-037A 59020						in space
Described as a technology test satellite used mainly for multi-band and high-speed satellite communication technology. TJS 10 is probably military in nature and possibly with a SIGINT rôle. Probably moved to geosynchronous drift orbit Feb 24 at around 04:00 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2024 Feb 23, 22:00	24384	0.7297	214	35799	631.57	16.49	191
2024 Mar 4, 13:35	42163	0.0004	35768	35802	1436.01	5.51	40	120°.1 E

CZ 5 second stage 2024-037B 59021						in space
Launched TJS 11.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2024 Feb 24, 07:22	23220	0.7158	222	33462	586.89	16.46	190

2024-227 CZ 3B Xichang Space Centre						2024 Dec 3, 05:56
Tongxin Jishu Shiyan 13 (Communication Technology Test 13, TJS 13) 2024-227A 62188						in space
Satellite in Molniya orbit, described as being mainly used for satellite communications, radio and television, data transmission and other services, and carrying out related technical tests and verifications. Separated from launch vehicle around 06:25 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2024 Dec 3, 15:22	26523	0.7530	172	40116	716.44	51.02	225
2024 Dec 16, 16:56	26561	0.6963	1688	38677	718.00	63.42	270

CZ 3B fourth stage 2024-227B 62189						Re-entered - 2023 Jun 30 Life <1 day
Launched TJS 13. Engine firing for HEO occurred near New Zealand at around 06:20 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2024 Dec 3, 15:27	26518	0.7533	163	40117	716.27	51.37	225

2024-246 CZ 3B Xichang Space Centre						2024 Dec 20, 15:12
Tongxin Jishu Shiyan 12 (Communication Technology Test 12, TJS 12) 2024-246A 62374						in space
Satellite described as being mainly used for used for satellite communications, radio and television, data transmission, and other services, and carrying out related technical tests and verifications. Probably moved to Geosynchronous Drift Orbit at around 08:00 UTC on the day after launch.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2024 Dec 20, 19:09	24370	0.7302	196	35787	631.01	28.45	180
2024 Dec 21, 07:02	25520	0.6575	2363	35920	676.20	18.67	182
2024 Dec 31, 15:18	42165	0.0001	35784	35790	1436.10	1.98	2	146°.5 E

CZ 3B fourth stage 2024-246B 62375						in space
Launched TJS 12.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2024 Dec 20, 19:16	23692	0.7240	161	34467	604.86	28.44	179

2025-017 CZ 3B Xichang Space Centre						2025 Jan 23, 15:32
Tongxin Jishu Shiyan 14 (Communication Technology Test 14, TJS 14) 2025-017A 62804						in space
Satellite described as being mainly used for used for satellite communications, radio and television, data transmission, and other services, and carrying out related technical tests and verifications. Probably moved to Geosynchronous Drift Orbit January 24 at about 07:00 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2025 Jan 23, 19:46	24376	0.7306	189	35807	631.27	28.48	180
2025 Feb 4, 14:52	42165	0.0002	35780	35794	1436.11	2.00	224	18°.3 E

CZ 3B fourth stage 2025-017B 62805						in space
Launched TJS 14.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2025 Jan 23, 17:24	23672	0.7249	135	34452	604.09	28.56	179

2025-045 CZ 3B Xichang Space Centre						2025 Mar 9, 17:17
Tongxin Jishu Shiyan 15 (Communication Technology Test 15, TJS 15) 2025-045A 63157						in space
Probably military in nature and maybe intended for signals intelligence gathering (SIGINT). Appears to have moved from transfer orbit to GEO March 14 and then separated from 2025-045C about 24 hours later (date/time to be confirmed). Mission profile resembles that of TJS 3 (2018-110).
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2025 Mar 10, 03:50	24523	0.7327	178	36111	636.96	19.02	179
2025 Mar 17, 17:27	42165	0.0001	35785	35789	1436.12	0.01	322	90°.3 E

CZ 3B fourth stage 2025-045B 63158						in space
Launched TJS 15.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2025 Mar 12, 05:02	24842	0.7376	141	36787	649.44	19.04	182

apogee motor (CZ 3B fifth stage) 2025-045C 63299						in space
Moved TJS 15 from transfer orbit to geosynchronous drift orbit and (possibly) to its GEO location, then manoeuvred itself to graveyard orbit after releasing the satellite.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
estimated orbit	42165	0.0001	35785	35789	1436.12	0.01	322
2025 Mar 17, 16:17	42562	0.0027	36068	36299	1456.42	0.04	7

2025-064 CZ 7A Wenchang Space Centre						2025 Mar 29, 16:05
Tongxin Jishu Shiyan 16 (Communication Technology Test 16, TJS 16) 2025-064A 63397						in space
Probably military in nature and maybe intended for signals intelligence gathering (SIGINT). Probably entered geosynchronous drift orbit Mar 30 at around 08:30 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2025 Mar 29, 23:01	24392	0.7318	164	35864	631.89	19.52	180

CZ 7A fourth stage 2025-064B 63398						in space
Launched TJS 16.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2025 Mar 30, 17:45	23621	0.7252	113	34372	602.14	19.52	179

2025-073 CZ 3B Xichang Space Centre						2025 Apr 10, 16:47
Tongxin Jishu Shiyan 17 (Communication Technology Test 17, TJS 17) 2025-073A 63524						in space
Probably military in nature and maybe intended for signals intelligence gathering (SIGINT). Probably entered geosynchronous drift orbit April 12 at around 15:15 UTC.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2025 Apr 10, 21:00	24528	0.7325	184	36116	637.17	18.99	180

CZ 3B fourth stage 2025-073B 63525						in space
Launched TJS 17.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2025 Apr 10, 19:44	24855	0.7374	149	36804	649.95	19.02	180

apogee motor (CZ 3B fifth stage) 2025-073C 63629						in space
Moved TJS 17 from transfer orbit to geosynchronous drift orbit and (possibly) to its GEO location, then manoeuvred itself to graveyard orbit after releasing the satellite.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )

2025-097 CZ 3C Xichang Space Centre						2025 May 12, 18:09
Tongxin Jishu Shiyan 19 (Communication Technology Test 19, TJS 19) 2025-097A 63924						in space
Probably military in nature and maybe intended for signals intelligence gathering (SIGINT).
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )	GEO Longitude
2025 May 12, 21:24	24382	0.7311	178	35830	631.49	28.58	180

CZ 3C upper stage 2025-097B 63925						in space
Launched TJS 19.
epoch (UTC)	s-m axis ( km )	eccentricity	perigee ( km )	apogee ( km )	period ( min )	incl ( ° )	ω ( ° )
2025 May 12, 21:31	24304	0.7328	117	35734	628.44	28.60	179