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Orbital elements based on amateur observations | Sun-synchronous Satellites - India
This a list of satellites in sun-synchronous orbit operated by India 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: 2023 Jun 4, 05:48 UTC
LTDN |
Satellite |
Cat no |
Desig- nation |
Orbit Epoch |
Orbit |
03:08 | IMS 1 (Indian Mini Satellite) | 32786 | 2008-021D | 2023 Jun 3 | 595 x 609 km, 96.7 min, 97°.8 | 06:00 | EOS 04 (Earth Observation Satellite 4) | 51656 | 2022-013A | 2023 Jun 3 | 527 x 529 km, 95.2 min, 97°.5 | 06:15 | Ispiresat 1 | 51657 | 2022-013B | 2023 Jun 3 | 504 x 520 km, 94.9 min, 97°.5 | 06:23 | RISat 1 (Radar Imaging Satellite) | 38248 | 2012-017A | 2023 Jun 3 | 514 x 521 km, 95.0 min, 97°.5 | 08:27 | ScatSat 1 (Scatterometer Satellite 1) | 41790 | 2016-059H | 2023 Jun 3 | 719 x 725 km, 99.2 min, 98°.3 | 09:24 | Cartosat 3 | 44804 | 2019-081A | 2023 Jun 3 | 499 x 517 km, 94.8 min, 97°.3 | 09:29 | Cartosat 2D | 41948 | 2017-008A | 2023 Jun 3 | 503 x 513 km, 94.8 min, 97°.4 | 09:29 | Cartosat 2F | 43111 | 2018-004A | 2023 Jun 3 | 506 x 510 km, 94.8 min, 97°.4 | 09:30 | Cartosat 2E | 42767 | 2017-036C | 2023 Jun 3 | 503 x 513 km, 94.8 min, 97°.4 | 09:33 | Cartosat 2B | 36795 | 2010-035A | 2023 Jun 3 | 624 x 643 km, 97.4 min, 97°.9 | 09:33 | Cartosat 2C | 41599 | 2016-040A | 2023 Jun 3 | 499 x 517 km, 94.8 min, 97°.4 | 09:34 | Cartosat 2A | 32783 | 2008-021A | 2023 Jun 3 | 624 x 643 km, 97.4 min, 97°.9 | 09:34 | EMISat (Electromagnetic Intelligence-gathering Satellite) | 44078 | 2019-018A | 2023 Jun 3 | 734 x 759 km, 99.7 min, 98°.4 | 09:56 | HySIS | 43719 | 2018-096A | 2023 Jun 3 | 631 x 636 km, 97.4 min, 97°.9 | 10:10 | Carbonite-2 | 43115 | 2018-004E | 2023 Jun 3 | 469 x 480 km, 94.1 min, 97°.3 | 10:12 | Resourcesat 2 | 37387 | 2011-015A | 2023 Jun 3 | 816 x 824 km, 101.3 min, 98°.6 | 10:13 | IRS 1A | 18960 | 1988-021A | 2023 Jun 3 | 894 x 915 km, 103.1 min, 99°.0 | 10:32 | Resourcesat 2A | 41877 | 2016-074A | 2023 Jun 3 | 818 x 821 km, 101.3 min, 98°.7 | 11:59 | EOS 06 (Earth Observation Satellite 6) | 54361 | 2022-158A | 2023 Jun 3 | 734 x 736 km, 99.5 min, 98°.4 | 12:04 | Anand | 54366 | 2022-158F | 2023 Jun 3 | 480 x 491 km, 94.3 min, 97°.4 | 12:05 | INS 2B (India-Bhutan Sat) | 54365 | 2022-158E | 2023 Jun 3 | 476 x 488 km, 94.2 min, 97°.4 | 17:53 | SARAL (Satellite with ARgos and ALtiKa) | 39086 | 2013-009A | 2023 Jun 3 | 783 x 785 km, 100.5 min, 98°.5 |
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.
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