| JSSW - Technical Test Satellites
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Tyneside, UK
2025 Apr 28
Monday, Day 118
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Curated by:
| The table lists all launches by China in the 1970s under the name JSSW that translates to english as Technical Test Satellite. All launches used the Feng Bao 1 rocket.
The purpose of the launches is obscure with speculation around photo-reconnaissance and ELINT missions. There is similarity between the orbits used by JSSW and the orbit of the Shijian 2 ionospheric research mission of 1981.
1973-F07 - failed to reach orbit Feng Bao 1
Jiuquan Space Centre | 1973 Sep 18, 12:12 | Ji Shu Shiyan Weixing (Technical Test Satellite, JSSW) |
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| Possible space technology demonstrator. Lost when launch vehicle failed. Launch time from Jonathan McDowell. |
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1974-F05 - failed to reach orbit Feng Bao 1
Jiuquan Space Centre | 1974 Jul 14, 13:55 | Ji Shu Shiyan Weixing (Technical Test Satellite, JSSW) |
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| Possible space technology demonstrator. Lost when launch vehicle stabilisation system failed. Launch time from Jonathan McDowell. |
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1975-070 Feng Bao 1
Jiuquan Space Centre | 1975 Jul 26, 13:28 | Ji Shu Shiyan Weixing 1 (Technical Test Satellite 1, JSSW 1) 1975-070A 8053 |
Re-entered - 1975 Sep 14
Life 50 days
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| Possible space technology demonstrator. |
epoch (UTC) | s-m axis
( km ) |
eccentricity | perigee
( km ) | apogee
( km ) | period
( min ) | incl
( ° ) | ω
( ° ) | | |
| 1975 Jul 28, 07:26 | 6698 | 0.0208 | 181 | 460 | 90.93 | 69.02 | 146 | | | |
1975-119 Feng Bao 1
Jiuquan Space Centre | 1975 Dec 16, 09:19 | Ji Shu Shiyan Weixing 2 (Technical Test Satellite 2, JSSW 2) 1975-119A 8488 |
Re-entered - 1976 Jan 27
Life 42 days
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| Possible space technology demonstrator. |
epoch (UTC) | s-m axis
( km ) |
eccentricity | perigee
( km ) | apogee
( km ) | period
( min ) | incl
( ° ) | ω
( ° ) | | |
| 1975 Dec 19, 00:01 | 6664 | 0.0150 | 186 | 385 | 90.23 | 69.00 | 141 | | | |
1976-087 Feng Bao 1
Jiuquan Space Centre | 1976 Aug 30, 11:45 | Ji Shu Shiyan Weixing 3 (Technical Test Satellite 3, JSSW 3) 1976-087A 9394 |
Re-entered - 1978 Nov 25
Life 817 days
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| Possible space technology demonstrator. |
epoch (UTC) | s-m axis
( km ) |
eccentricity | perigee
( km ) | apogee
( km ) | period
( min ) | incl
( ° ) | ω
( ° ) | | |
| 1976 Sep 3, 13:06 | 7550 | 0.1290 | 198 | 2145 | 108.81 | 69.15 | 135 | | | |
1976-F03 - failed to reach orbit Feng Bao 1
Jiuquan Space Centre | 1976 Nov 10, 09:05 | Ji Shu Shiyan Weixing (Technical Test Satellite, JSSW) |
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| Possible space technology demonstrator. Lost when launch vehicle failed. Launch time from Jonathan McDowell. |
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Page date: 2012 May 10
Orbits updated: 2025 Mar 11
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