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 Dec 16 18:57 | 2025 Dec 12 04:51:37 | 74.0322 | 0.00195 | 0.8468 | 54.0195 | 16.2089 | 12.46464 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 04:51:37 | 74.0322 | 0.00195 | 0.8468 | 54.0195 | 16.2089 | 12.46464 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 04:51:37 | 74.0322 | 0.00195 | 0.8468 | 54.0195 | 16.2089 | 12.46464 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 04:51:37 | 74.0322 | 0.00195 | 0.8468 | 54.0195 | 16.2089 | 12.46464 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 04:51:37 | 74.0322 | 0.00195 | 0.8468 | 54.0195 | 16.2089 | 12.46464 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 01:20:07 | 74.0326 | 0.00194 | 1.2998 | 62.0152 | 16.2089 | 12.46464 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 01:20:07 | 74.0326 | 0.00194 | 1.2998 | 62.0152 | 16.2089 | 12.46464 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 01:20:07 | 74.0326 | 0.00194 | 1.2998 | 62.0152 | 16.2089 | 12.46464 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 01:20:07 | 74.0326 | 0.00194 | 1.2998 | 62.0152 | 16.2089 | 12.46464 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 01:20:07 | 74.0326 | 0.00194 | 1.2998 | 62.0152 | 16.2089 | 12.46464 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 12:00:09 | 74.0329 | 0.00194 | 1.7007 | 69.0593 | 16.2089 | 12.46464 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 12:00:09 | 74.0329 | 0.00194 | 1.7007 | 69.0593 | 16.2089 | 12.46464 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 12:00:09 | 74.0329 | 0.00194 | 1.7007 | 69.0593 | 16.2089 | 12.46464 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 12:00:09 | 74.0329 | 0.00194 | 1.7007 | 69.0593 | 16.2089 | 12.46464 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 12:00:09 | 74.0329 | 0.00194 | 1.7007 | 69.0593 | 16.2089 | 12.46464 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 12:26:14 | 74.0334 | 0.00194 | 2.3151 | 79.9218 | 16.2089 | 12.46464 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:58:08 | 74.0336 | 0.00194 | 2.7751 | 88.0616 | 16.2089 | 12.46464 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:58:08 | 74.0336 | 0.00194 | 2.7751 | 88.0616 | 16.2089 | 12.46464 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:58:08 | 74.0336 | 0.00194 | 2.7751 | 88.0616 | 16.2089 | 12.46464 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:58:08 | 74.0336 | 0.00194 | 2.7751 | 88.0616 | 16.2089 | 12.46464 | – |