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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: 2024 Apr 20, 02:48 UTC
LTDN |
Satellite |
Cat no |
Desig- nation |
Orbit Epoch |
Orbit |
03:12 | IMS 1 (Indian Mini Satellite) | 32786 | 2008-021D | 2024 Apr 19 | 585 x 597 km, 96.5 min, 97°.8 | 06:00 | EOS 04 (Earth Observation Satellite 4) | 51656 | 2022-013A | 2024 Apr 19 | 526 x 529 km, 95.2 min, 97°.5 | 08:22 | ScatSat 1 (Scatterometer Satellite 1) | 41790 | 2016-059H | 2024 Apr 19 | 718 x 722 km, 99.2 min, 98°.2 | 09:21 | Cartosat 3 | 44804 | 2019-081A | 2024 Apr 19 | 501 x 516 km, 94.8 min, 97°.5 | 09:27 | Cartosat 2B | 36795 | 2010-035A | 2024 Apr 19 | 625 x 642 km, 97.4 min, 97°.9 | 09:28 | Cartosat 2A | 32783 | 2008-021A | 2024 Apr 19 | 624 x 643 km, 97.4 min, 97°.9 | 09:28 | Cartosat 2C | 41599 | 2016-040A | 2024 Apr 19 | 500 x 515 km, 94.8 min, 97°.4 | 09:30 | Cartosat 2D | 41948 | 2017-008A | 2024 Apr 19 | 504 x 512 km, 94.8 min, 97°.4 | 09:30 | Cartosat 2E | 42767 | 2017-036C | 2024 Apr 19 | 504 x 512 km, 94.8 min, 97°.4 | 09:31 | Cartosat 2F | 43111 | 2018-004A | 2024 Apr 19 | 507 x 510 km, 94.8 min, 97°.4 | 09:31 | EMISat (Electromagnetic Intelligence-gathering Satellite) | 44078 | 2019-018A | 2024 Apr 19 | 732 x 760 km, 99.7 min, 98°.3 | 09:50 | HySIS | 43719 | 2018-096A | 2024 Apr 19 | 631 x 635 km, 97.4 min, 97°.9 | 09:59 | Resourcesat 2 | 37387 | 2011-015A | 2024 Apr 19 | 817 x 822 km, 101.3 min, 98°.6 | 10:02 | IRS 1A | 18960 | 1988-021A | 2024 Apr 19 | 894 x 914 km, 103.1 min, 99°.0 | 10:15 | Carbonite-2 | 43115 | 2018-004E | 2024 Apr 19 | 442 x 453 km, 93.5 min, 97°.3 | 10:28 | Resourcesat 2A | 41877 | 2016-074A | 2024 Apr 19 | 819 x 821 km, 101.3 min, 98°.6 | 12:01 | EOS 06 (Earth Observation Satellite 6) | 54361 | 2022-158A | 2024 Apr 19 | 734 x 736 km, 99.5 min, 98°.3 | 13:23 | AFR 1 (ABA First Runner) | 56964 | 2023-084AJ | 2024 Apr 19 | 507 x 525 km, 95.0 min, 97°.5 | 17:53 | SARAL (Satellite with ARgos and ALtiKa) | 39086 | 2013-009A | 2024 Apr 19 | 782 x 786 km, 100.5 min, 98°.6 |
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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