Orbital Focus - International Spaceflight Facts and Figures
carousel image
 
Orbits


Tyneside, UK
2024 Mar 28
Thursday, Day 88

Curated by:







Lists Available:














Other orbits:





Primary source of unclassified orbital elements

Orbital elements based on amateur observations
Sun-synchronous Satellites by LTDN - United States

This a list of satellites in sun-synchronous orbit operated by the USA ordered by LTDN - Local Time at the Descending Node. Names are not necessarily those by which they are known in the NORAD catalogue used by SpaceTrack.

It is a snapshot and is updated daily. The measure that results in an entry in this table is that the drift rate of LTDN (Local Time at the Descending Node) is no more than twenty four minutes each year. Some satellites may have higher drift rates but they may still be acceptable to their owners/operators. They do not appear here. On the converse, although a satellite is in a sun-synchronous orbit, it is not necessarily active.

Updated: 2024 Mar 28, 03:50 UTC

LTDN Satellite Cat
no
Desig- nation Orbit
Epoch
Orbit
00:02Nimbus 4 (Nimbus D)43621970-025A2024 Mar 271086 x 1097 km, 107.1 min, 100°.0
00:35Perseus-M 1400392014-033AF2024 Mar 27589 x 609 km, 96.7 min, 97°.9
01:23NOAA 21 (Joint Polar Satellite System 2)542342022-150A2024 Mar 27826 x 828 km, 101.4 min, 98°.7
01:25Suomi NPP (Suomi National Polar-orbiting Partnership)378492011-061A2024 Mar 27826 x 828 km, 101.4 min, 98°.7
01:25NOAA 20 (JPSS, Joint Polar Satellite System 1)430132017-073A2024 Mar 27815 x 827 km, 101.3 min, 98°.7
01:33MSX238511996-024A2024 Mar 27895 x 905 km, 103.0 min, 99°.0
01:36OCO 2 (Orbiting Carbon Observatory)400592014-035A2024 Mar 27702 x 703 km, 98.8 min, 98°.2
01:50Aura (EOS Chem-1)283762004-026A2024 Mar 27698 x 700 km, 98.7 min, 98°.2
02:06ESSA 836151968-114A2024 Mar 271413 x 1464 km, 114.6 min, 101°.6
02:11NOAA 17274532002-032A2024 Mar 27798 x 815 km, 101.0 min, 98°.8
02:35AMS 4 (DMSP 5D-1 F-4)113891979-050A2024 Mar 27788 x 805 km, 100.8 min, 98°.5
02:40EO-1266192000-075A2024 Mar 27666 x 679 km, 98.2 min, 98°.0
02:50Landsat 3107021978-026A2024 Mar 27895 x 915 km, 103.1 min, 99°.0
03:00Landsat 276151975-004A2024 Mar 27898 x 911 km, 103.1 min, 98°.9
03:24Electron kick stage592252024-047B2024 Mar 24554 x 574 km, 95.9 min, 97°.6
03:42NOAA 5 (ITOS H)90571976-077A2024 Mar 271508 x 1524 km, 116.3 min, 102°.2
03:54USA 210 (DMSP 5D-3 F-18)359512009-057A2024 Mar 27837 x 854 km, 101.8 min, 98°.8
04:35NOAA 10169691986-073A2024 Mar 27788 x 805 km, 100.8 min, 98°.6
05:00NOAA 12212631991-032A2024 Mar 27795 x 813 km, 101.0 min, 98°.6
05:12GAzelle540232022-127A2024 Mar 27741 x 762 km, 99.9 min, 98°.3
05:36Starlink 6038563172023-058A2024 Mar 27562 x 564 km, 95.9 min, 97°.7
05:40USA 249 (DMSP 5D-3 F-19)396302014-015A2024 Mar 27837 x 852 km, 101.8 min, 98°.8
05:56COBE203221989-089A2024 Mar 27870 x 882 km, 102.5 min, 98°.9
05:58SMAP (Soil Moisture Active Passive)403762015-003A2024 Mar 27681 x 683 km, 98.4 min, 98°.1
06:02Coriolis276402003-001A2024 Mar 27817 x 838 km, 101.5 min, 98°.7
06:03QuakeSat278452003-031F2024 Mar 27807 x 821 km, 101.2 min, 98°.7
06:09USA 109 (DMSP 5D-2 F-13)235331995-015A2024 Mar 27833 x 842 km, 101.7 min, 98°.8
06:15QBScout 1394432013-066AD2024 Mar 27480 x 496 km, 94.4 min, 97°.4
06:17USA 191 (DMSP 5D-3 F-17)295222006-050A2024 Mar 27837 x 851 km, 101.8 min, 98°.7
06:53NOAA 6114161979-057A2024 Mar 27769 x 785 km, 100.4 min, 98°.6
07:23NOAA 15253381998-030A2024 Mar 27796 x 811 km, 100.9 min, 98°.6
07:33USA 73 (DMSP 5D-2 F-11)217981991-082A2024 Mar 27825 x 846 km, 101.6 min, 98°.8
08:10USA 186 (KH- 11 Block-4 F1?/Crystal)288882005-042A2024 Mar 22390 x 443 km, 92.9 min, 97°.1
08:29USA 131 (DMSP 5D-2 F-14)247531997-012A2024 Mar 27833 x 844 km, 101.7 min, 98°.9
09:10USA 106 (DMSP 5D-2 S-12)232331994-057A2024 Mar 27831 x 848 km, 101.7 min, 98°.8
09:16XR-1475072021-006CY2024 Mar 27482 x 500 km, 94.4 min, 97°.4
09:17Skysat 7 (Skysat C5)417722016-058C2024 Mar 27443 x 448 km, 93.5 min, 97°.2
09:24Lynk Tower 4550342023-001AB2024 Mar 27506 x 524 km, 94.9 min, 97°.4
09:25Lynk Tower 3550462023-001AP2024 Mar 27505 x 524 km, 94.9 min, 97°.4
09:25Vigoride 5550562023-001AZ2024 Mar 27505 x 524 km, 94.9 min, 97°.4
09:32STPSat-5437622018-099E2024 Mar 27557 x 563 km, 95.9 min, 97°.5
09:33ICEYE X27550622023-001BF2024 Mar 27502 x 518 km, 94.8 min, 97°.4
09:34ICEYE X21550492023-001AS2024 Mar 26486 x 505 km, 94.5 min, 97°.4
09:35Cesium 1A492612021-088B2024 Mar 27523 x 553 km, 95.4 min, 97°.5
09:36USA 320 (Starshield)510752022-002CV2024 Mar 27496 x 510 km, 94.7 min, 97°.4
09:36Starlink 4391531892022-084A2024 Mar 27560 x 566 km, 95.9 min, 97°.7
09:36Flock 4Y-25550272023-001U2024 Mar 27482 x 497 km, 94.4 min, 97°.4
09:36Flock 4Y-11550432023-001AL2024 Mar 27484 x 500 km, 94.5 min, 97°.4
09:37Flock 4Y-24550202023-001M2024 Mar 27482 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-32550212023-001N2024 Mar 27481 x 496 km, 94.4 min, 97°.4
09:37Flock 4Y-22550222023-001P2024 Mar 27482 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-14550242023-001R2024 Mar 27482 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-19550262023-001T2024 Mar 27481 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-5550282023-001V2024 Mar 27481 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-29550302023-001X2024 Mar 27476 x 490 km, 94.3 min, 97°.4
09:37Flock 4Y-7550322023-001Z2024 Mar 27482 x 498 km, 94.4 min, 97°.4
09:37Flock 4Y-3550352023-001AC2024 Mar 27479 x 498 km, 94.4 min, 97°.4
09:37Flock 4Y-33550422023-001AK2024 Mar 27481 x 497 km, 94.4 min, 97°.4
09:37Flock 4Y-15550682023-001BM2024 Mar 27479 x 499 km, 94.4 min, 97°.4
09:37Flock 4Y-26550702023-001BP2024 Mar 27479 x 498 km, 94.4 min, 97°.4
09:38Cesium 1B492622021-088C2024 Mar 27525 x 549 km, 95.4 min, 97°.5
09:38Flock 4Y-18550232023-001Q2024 Mar 27481 x 496 km, 94.4 min, 97°.4
09:38Flock 4Y-30550252023-001S2024 Mar 27481 x 496 km, 94.4 min, 97°.4
09:38Flock 4Y-10550292023-001W2024 Mar 27482 x 496 km, 94.4 min, 97°.4
09:38Flock 4Y-17550312023-001Y2024 Mar 27482 x 497 km, 94.4 min, 97°.4
09:38Flock 4Y-16550402023-001AH2024 Mar 27481 x 496 km, 94.4 min, 97°.4
09:38Flock 4Y-4550552023-001AY2024 Mar 27479 x 497 km, 94.4 min, 97°.4
09:38Flock 4Y-35550572023-001BA2024 Mar 27480 x 496 km, 94.4 min, 97°.4
09:38Flock 4Y-20550632023-001BG2024 Mar 27480 x 499 km, 94.4 min, 97°.4
09:38Flock 4Y-12550652023-001BJ2024 Mar 27480 x 499 km, 94.4 min, 97°.4
09:38Flock 4Y-6550662023-001BK2024 Mar 27479 x 497 km, 94.4 min, 97°.4
09:38Flock 4Y-9550692023-001BN2024 Mar 27480 x 499 km, 94.4 min, 97°.4
09:38Flock 4Y-8550712023-001BQ2024 Mar 27477 x 495 km, 94.3 min, 97°.4
09:38Flock 4Y-2550742023-001BT2024 Mar 27480 x 499 km, 94.4 min, 97°.4
09:38Flock 4Y-21550772023-001BW2024 Mar 27479 x 498 km, 94.4 min, 97°.4
09:38Flock 4Y-36550782023-001BX2024 Mar 27478 x 497 km, 94.4 min, 97°.4
09:38Flock 4Y-13550792023-001BY2024 Mar 27479 x 499 km, 94.4 min, 97°.4
09:38Flock 4Y-23550802023-001BZ2024 Mar 27477 x 497 km, 94.3 min, 97°.4
09:38Flock 4Y-34550822023-001CB2024 Mar 27479 x 499 km, 94.4 min, 97°.4
09:39Skysat 1394182013-066C2024 Mar 27537 x 571 km, 95.7 min, 97°.5
09:39ION SCV-004 (Elysian Eleonora)509932022-002K2024 Mar 27506 x 519 km, 94.9 min, 97°.4
09:39Flock 4Y-27550832023-001CC2024 Mar 27476 x 496 km, 94.3 min, 97°.4
09:40USA 245 (KH-11 Block-4 F3?/Crystal)392322013-043A2024 Mar 24264 x 989 km, 97.2 min, 97°.9
09:41CuPID (Cusp Plasma Imaging Detector)492642021-088E2024 Mar 27527 x 551 km, 95.4 min, 97°.5
09:42ION SCV-007 (Glorious Gratia)550602023-001BD2024 Mar 27634 x 654 km, 97.6 min, 98°.0
09:47Athena462752020-061D2024 Mar 27488 x 492 km, 94.4 min, 97°.3
09:49ION SCV-001 (Lucas)462742020-061C2024 Mar 27479 x 486 km, 94.3 min, 97°.3
09:51Terra (EOS AM-1)259941999-068A2024 Mar 27694 x 695 km, 98.7 min, 98°.1
09:52Umbra 02509862022-002C2024 Mar 27506 x 514 km, 94.8 min, 97°.4
09:55CUTE (Colorado Ultraviolet Transit Experiment)492632021-088D2024 Mar 27507 x 527 km, 95.0 min, 97°.5
10:02Orbcomm-X (Orbcomm-X)215761991-050C2024 Mar 27747 x 754 km, 99.8 min, 98°.4
10:12Landsat 8 (Landsat Data Continuity Mission)390842013-008A2024 Mar 27702 x 704 km, 98.8 min, 98°.2
10:12Landsat 9492602021-088A2024 Mar 27701 x 703 km, 98.8 min, 98°.2
10:23Geoeye 1333312008-042A2024 Mar 27673 x 685 km, 98.3 min, 98°.1
10:25Worldview 3401152014-048A2024 Mar 27610 x 615 km, 97.0 min, 97°.8
10:26WorldView 2359462009-055A2024 Mar 27765 x 768 km, 100.2 min, 98°.4
10:32Barry 1583382023-174CL2024 Mar 27497 x 513 km, 94.7 min, 97°.5
10:38NOAA 18286542005-018A2024 Mar 27839 x 858 km, 101.9 min, 98°.9
10:44ION SCV-008 (Fierce Franciscus)550512023-001AU2024 Mar 27525 x 538 km, 95.3 min, 97°.6
10:47GNOMES 3 (GNSS Navigation and Occultation Measurement Satellite)521582022-033B2024 Mar 27625 x 644 km, 97.4 min, 97°.9
10:53Lynk Tower 1521622022-033F2024 Mar 27464 x 474 km, 94.0 min, 97°.3
11:02Spark 1 (LEO 1)521572022-033A2024 Mar 27627 x 639 km, 97.4 min, 97°.9
12:05USA 326514452022-009A2023 Sep 7499 x 503 km, 94.6 min, 97°.4
12:06USA 205 (STSS-ATRR)349032009-023A2023 Sep 11864 x 877 km, 102.4 min, 98°.9
12:59USA 314 (KH-11 Block-5 F-2/Crystal)482472021-032A2023 Sep 15552 x 767 km, 97.9 min, 98°.0
13:12TIROS 1014301965-051A2024 Mar 27716 x 796 km, 99.9 min, 98°.4
13:25Vigoride 3527602022-057AE2024 Mar 27506 x 523 km, 94.9 min, 97°.6
13:30WorldView 1320602007-041A2024 Mar 27490 x 494 km, 94.4 min, 97°.4
13:36Starlink 4415534652022-099A2024 Mar 27562 x 564 km, 95.9 min, 97°.7
13:48Skysat 11 (Skysat C9)429892017-068C2024 Mar 27454 x 487 km, 94.0 min, 97°.3
13:49Starlink 3003488792021-059A2024 Mar 27562 x 564 km, 95.9 min, 97°.7
13:49Starlink 3004488802021-059B2024 Mar 27560 x 566 km, 95.9 min, 97°.7
13:49Starlink 3005488812021-059C2024 Mar 27561 x 565 km, 95.9 min, 97°.7
13:53Skysat 13 (Skysat C11)429872017-068A2024 Mar 27456 x 460 km, 93.8 min, 97°.3
13:53Skysat 10 (Skysat C8)429902017-068D2024 Mar 27474 x 479 km, 94.1 min, 97°.4
13:55Skysat 12 (Skysat C10)429882017-068B2024 Mar 27472 x 481 km, 94.1 min, 97°.4
13:55Skysat 9 (Skysat C7)429912017-068E2024 Mar 27474 x 479 km, 94.1 min, 97°.4
13:58Skysat 8 (Skysat C6)429922017-068F2024 Mar 27472 x 480 km, 94.1 min, 97°.4
13:59ACRIMSat (Active Cavity Radiometer Irradiance Monitor Satellite)260331999-070B2024 Mar 27661 x 701 km, 98.4 min, 98°.2
14:12DMSP 5A F-2 (Defense Meteorological Satellite Program)35101968-092A2024 Mar 27778 x 821 km, 100.9 min, 98°.5
14:37USA 224 (KH- 11 Block-4 F2?/Crystal)373482011-002A2024 Feb 17262 x 1003 km, 97.4 min, 97°.9
17:11DMSP 5B F-3 (Defense Meteorological Satellite Program)62751972-089A2024 Mar 27771 x 821 km, 100.8 min, 98°.5
17:25IRAS137771983-004A2024 Mar 27877 x 906 km, 102.8 min, 99°.0
17:25ANDESITE (nonsensical acronym)457262020-037D2024 Mar 27567 x 585 km, 96.2 min, 97°.8
17:36Starlink 4362530432022-077A2024 Mar 27561 x 565 km, 95.9 min, 97°.7
17:55DMSP 5D-2 F-6 (Defense Meteorological Satellite Program)137361982-118A2024 Mar 27787 x 798 km, 100.7 min, 98°.6
17:55USA 26 (DMSP 5D-2 F-8)181231987-053A2024 Mar 27819 x 837 km, 101.5 min, 98°.7
18:12IRIS (Interface Region Imaging Spectrometer)391972013-033A2024 Mar 27605 x 643 km, 97.2 min, 98°.0
18:34AMS 3 (DMSP 5D-1 F-3)108201978-042A2024 Mar 27764 x 776 km, 100.2 min, 98°.5
18:43GNOMES 1 (GNSS Navigation and Occultation Measurement Satellite)462662020-059B2024 Mar 27586 x 593 km, 96.5 min, 97°.9
18:55North Star 1 (Lemur 2, Nimbus 2000)588992024-022A2024 Mar 27516 x 540 km, 95.2 min, 97°.5
18:55North Star 2 (Lemur 2, Valhalla)589002024-022B2024 Mar 27515 x 539 km, 95.2 min, 97°.5
18:56North Star 3 (Lemur 2, Oba Ni Jesu)589022024-022D2024 Mar 27516 x 536 km, 95.1 min, 97°.5
18:56North Star 4 (Lemur 2, Cael)589032024-022E2024 Mar 27515 x 536 km, 95.1 min, 97°.5
19:14DMSP 5C F-1 (Defense Meteorological Satellite Program)74111974-063A2024 Mar 27767 x 825 km, 100.8 min, 98°.6
19:16DMSP 5C F-2 (Defense Meteorological Satellite Program)78161975-043A2024 Mar 27773 x 849 km, 101.1 min, 98°.7
20:03USA 216 (SBSS)371682010-048A2024 Mar 27572 x 620 km, 96.6 min, 97°.9
20:09DMSP 5B F-4 (Defense Meteorological Satellite Program)67871973-054A2024 Mar 27765 x 801 km, 100.5 min, 98°.7
20:27DMSP 4A F-9 (Defense Meteorological Satellite Program)29201967-080A2024 Mar 27815 x 870 km, 101.8 min, 98°.7
20:33DMSP 5A F-3 (Defense Meteorological Satellite Program)40471969-062A2024 Mar 27763 x 827 km, 100.8 min, 98°.5
21:18QuikScat257891999-034A2024 Mar 27656 x 793 km, 99.3 min, 98°.4
21:36Starlink 4622536482022-105A2024 Mar 27561 x 565 km, 95.9 min, 97°.7
22:10Umbra 06561982023-054W2024 Mar 27510 x 512 km, 94.8 min, 97°.4
22:12SECOR 13 (EGRS 13)38911969-037B2024 Mar 271068 x 1129 km, 107.2 min, 99°.8
22:12ION SCV-010 (Masterful Matthaeus)561922023-054Q2024 Mar 27542 x 561 km, 95.7 min, 97°.5
22:19Hawk 7B561932023-054R2024 Mar 27506 x 522 km, 94.9 min, 97°.4
22:21Hawk 7C562002023-054Y2024 Mar 27506 x 521 km, 94.9 min, 97°.4
22:23Hawk 7A561912023-054P2024 Mar 27506 x 521 km, 94.9 min, 97°.4
22:32Kepler 21562182023-054AS2024 Mar 27475 x 489 km, 94.2 min, 97°.4
22:33GHOSt 1 (Global Hyperspectral Observation Satellite)561952023-054T2024 Mar 27473 x 488 km, 94.2 min, 97°.4
22:34Nimbus 3 (Nimbus B2)38901969-037A2024 Mar 271070 x 1129 km, 107.3 min, 99°.8
22:34GHOSt 2 (Global Hyperspectral Observation Satellite)561972023-054V2024 Mar 27468 x 484 km, 94.1 min, 97°.4
22:34Kepler 20562172023-054AR2024 Mar 27473 x 490 km, 94.2 min, 97°.4
22:37Tomorrow R1561992023-054X2024 Mar 27461 x 477 km, 94.0 min, 97°.4
23:12Nimbus 5 (Nimbus E)63051972-097A2024 Mar 271088 x 1100 km, 107.1 min, 99°.9
23:29Nimbus 6 (Nimbus F)79241975-052A2024 Mar 271100 x 1113 km, 107.4 min, 100°.0
23:41TOPO 143631970-025B2024 Mar 271083 x 1086 km, 106.9 min, 99°.9
23:59ESSA 220911966-016A2024 Mar 271354 x 1415 km, 113.4 min, 101°.3

For the satellites that do not have formal published elements, thanks go to the radio and visual amateur satellite trackers for their observing, and particularly to Mike McCants for archiving the derived orbits.

Copyright © Robert Christy, all rights reserved
Reproduction of this web page or any of its content without permission from the website owner is prohibited