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 |
| 2026 Jul 25 17:57 | 2026 Jul 21 03:50:59 | 74.0302 | 0.00199 | 5.4019 | 85.8343 | 73.7102 | 12.46468 | – |
| 2026 Jul 24 17:56 | 2026 Jul 21 03:50:59 | 74.0302 | 0.00199 | 5.4019 | 85.8343 | 73.7102 | 12.46468 | – |
| 2026 Jul 23 17:57 | 2026 Jul 21 03:50:59 | 74.0302 | 0.00199 | 5.4019 | 85.8343 | 73.7102 | 12.46468 | – |
| 2026 Jul 22 17:57 | 2026 Jul 21 03:50:59 | 74.0302 | 0.00199 | 5.4019 | 85.8343 | 73.7102 | 12.46468 | – |
| 2026 Jul 21 17:57 | 2026 Jul 21 03:50:59 | 74.0302 | 0.00199 | 5.4019 | 85.8343 | 73.7102 | 12.46468 | – |
| 2026 Jul 20 17:57 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 19 19:06 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 19 17:57 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 18 17:57 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 17 17:57 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 16 17:56 | 2026 Jul 16 04:13:13 | 74.0305 | 0.00199 | 5.8405 | 93.4887 | 73.7102 | 12.46468 | – |
| 2026 Jul 15 17:57 | 2026 Jul 11 10:33:50 | 74.0308 | 0.00198 | 6.2573 | 100.7174 | 73.7102 | 12.46468 | – |
| 2026 Jul 14 17:56 | 2026 Jul 11 10:33:50 | 74.0308 | 0.00198 | 6.2573 | 100.7174 | 73.7102 | 12.46468 | – |
| 2026 Jul 13 17:56 | 2026 Jul 11 10:33:50 | 74.0308 | 0.00198 | 6.2573 | 100.7174 | 73.7102 | 12.46468 | – |
| 2026 Jul 12 17:56 | 2026 Jul 11 10:33:50 | 74.0308 | 0.00198 | 6.2573 | 100.7174 | 73.7102 | 12.46468 | – |
| 2026 Jul 11 17:56 | 2026 Jul 11 10:33:50 | 74.0308 | 0.00198 | 6.2573 | 100.7174 | 73.7102 | 12.46468 | – |
| 2026 Jul 09 17:56 | 2026 Jul 05 04:30:59 | 74.0309 | 0.00199 | 6.8075 | 110.3645 | 73.7102 | 12.46468 | – |
| 2026 Jul 08 17:56 | 2026 Jul 05 04:30:59 | 74.0309 | 0.00199 | 6.8075 | 110.3645 | 73.7102 | 12.46468 | – |
| 2026 Jul 07 17:56 | 2026 Jul 05 04:30:59 | 74.0309 | 0.00199 | 6.8075 | 110.3645 | 73.7102 | 12.46468 | – |
| 2026 Jul 06 17:57 | 2026 Jul 05 04:30:59 | 74.0309 | 0.00199 | 6.8075 | 110.3645 | 73.7102 | 12.46468 | – |
| 2026 Jul 05 17:56 | 2026 Jul 05 04:30:59 | 74.0309 | 0.00199 | 6.8075 | 110.3645 | 73.7102 | 12.46468 | – |
| 2026 Jul 04 17:56 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jul 03 17:57 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 03:50:38 | 74.0307 | 0.00198 | 7.3379 | 119.6480 | 73.7102 | 12.46468 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 14:14:17 | 74.0302 | 0.00199 | 7.9158 | 129.7504 | 73.7102 | 12.46468 | – |