Orbital elements of COSMOS 981
| Launched | 9 January 1978 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10588 |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| Date fetched |
Epoch osculation |
Inc. [°] |
Ecc. | RA asc node [hr] |
Arg Peri. [°] |
Mean anom [°] |
Mean motion [rev/day] |
Abs. mag |
| 2025 May 11 17:56 | 2025 May 08 23:11:28 | 74.0296 | 0.00201 | 19.9641 | 19.3927 | 99.4300 | 12.46460 | – |
| 2025 May 10 17:56 | 2025 May 08 23:11:28 | 74.0296 | 0.00201 | 19.9641 | 19.3927 | 99.4300 | 12.46460 | – |
| 2025 May 09 17:57 | 2025 May 08 23:11:28 | 74.0296 | 0.00201 | 19.9641 | 19.3927 | 99.4300 | 12.46460 | – |
| 2025 May 08 17:56 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 07 17:56 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 06 17:57 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 05 17:56 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 04 17:57 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 03 17:57 | 2025 May 03 13:49:07 | 74.0296 | 0.00201 | 20.4386 | 27.5292 | 99.4300 | 12.46460 | – |
| 2025 May 01 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 30 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 29 17:57 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 27 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 26 17:57 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 25 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 24 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 23 17:57 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 22 17:56 | 2025 Apr 22 00:58:26 | 74.0309 | 0.00199 | 21.4539 | 44.9788 | 99.4300 | 12.46460 | – |
| 2025 Apr 21 17:57 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 20 17:56 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 19 17:56 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 18 17:57 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 17 17:56 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 16 17:57 | 2025 Apr 16 08:19:42 | 74.0319 | 0.00199 | 21.9550 | 53.6312 | 99.4300 | 12.46460 | – |
| 2025 Apr 15 17:56 | 2025 Apr 10 18:50:35 | 74.0331 | 0.00198 | 22.4445 | 62.1245 | 99.4300 | 12.46460 | – |
| 2025 Apr 14 17:56 | 2025 Apr 10 18:50:35 | 74.0331 | 0.00198 | 22.4445 | 62.1245 | 99.4300 | 12.46460 | – |