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 Feb 04 18:56 | 2025 Feb 03 12:14:15 | 74.0291 | 0.00200 | 4.2767 | 163.8920 | 326.5104 | 12.46457 | – |
| 2025 Feb 03 22:25 | 2025 Feb 03 12:14:15 | 74.0291 | 0.00200 | 4.2767 | 163.8920 | 326.5104 | 12.46457 | – |
| 2025 Feb 03 18:53 | 2025 Jan 28 09:14:23 | 74.0294 | 0.00202 | 4.8158 | 173.1030 | 326.5104 | 12.46457 | – |
| 2025 Feb 01 18:54 | 2025 Jan 28 09:14:23 | 74.0294 | 0.00202 | 4.8158 | 173.1030 | 326.5104 | 12.46457 | – |
| 2025 Jan 31 18:54 | 2025 Jan 28 09:14:23 | 74.0294 | 0.00202 | 4.8158 | 173.1030 | 326.5104 | 12.46457 | – |
| 2025 Jan 30 18:57 | 2025 Jan 28 09:14:23 | 74.0294 | 0.00202 | 4.8158 | 173.1030 | 326.5104 | 12.46457 | – |
| 2025 Jan 29 18:53 | 2025 Jan 28 09:14:23 | 74.0294 | 0.00202 | 4.8158 | 173.1030 | 326.5104 | 12.46457 | – |
| 2025 Jan 28 18:53 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 27 18:54 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 26 18:53 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 25 18:53 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 24 18:53 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 23 18:54 | 2025 Jan 22 11:13:19 | 74.0302 | 0.00203 | 5.3367 | 181.9218 | 326.5104 | 12.46457 | – |
| 2025 Jan 22 18:54 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 21 18:54 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 20 20:43 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 19 18:53 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 18 18:54 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 17 19:00 | 2025 Jan 16 14:55:39 | 74.0305 | 0.00204 | 5.8511 | 190.5086 | 326.5104 | 12.46457 | – |
| 2025 Jan 16 18:53 | 2025 Jan 12 14:18:25 | 74.0309 | 0.00205 | 6.2054 | 196.4198 | 326.5104 | 12.46457 | – |
| 2025 Jan 15 18:54 | 2025 Jan 12 14:18:25 | 74.0309 | 0.00205 | 6.2054 | 196.4198 | 326.5104 | 12.46457 | – |
| 2025 Jan 14 18:56 | 2025 Jan 12 14:18:25 | 74.0309 | 0.00205 | 6.2054 | 196.4198 | 326.5104 | 12.46457 | – |
| 2025 Jan 13 18:56 | 2025 Jan 12 14:18:25 | 74.0309 | 0.00205 | 6.2054 | 196.4198 | 326.5104 | 12.46457 | – |
| 2025 Jan 12 18:55 | 2025 Jan 12 14:18:25 | 74.0309 | 0.00205 | 6.2054 | 196.4198 | 326.5104 | 12.46457 | – |
| 2025 Jan 11 18:54 | 2025 Jan 07 12:25:48 | 74.0312 | 0.00205 | 6.6523 | 203.8404 | 326.5104 | 12.46457 | – |
| 2025 Jan 10 19:20 | 2025 Jan 07 12:25:48 | 74.0312 | 0.00205 | 6.6523 | 203.8404 | 326.5104 | 12.46457 | – |
| 2025 Jan 09 18:54 | 2025 Jan 07 12:25:48 | 74.0312 | 0.00205 | 6.6523 | 203.8404 | 326.5104 | 12.46457 | – |
| 2025 Jan 08 18:53 | 2025 Jan 07 12:25:48 | 74.0312 | 0.00205 | 6.6523 | 203.8404 | 326.5104 | 12.46457 | – |