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 |
| 2024 May 03 17:52 | 2024 May 01 14:21:59 | 74.0310 | 0.00208 | 4.7332 | 217.2876 | 316.4928 | 12.46448 | – |
| 2024 May 02 17:52 | 2024 May 01 14:21:59 | 74.0310 | 0.00208 | 4.7332 | 217.2876 | 316.4928 | 12.46448 | – |
| 2024 May 01 17:54 | 2024 Apr 27 07:57:05 | 74.0301 | 0.00209 | 5.1087 | 223.6168 | 316.4928 | 12.46448 | – |
| 2024 Apr 30 17:57 | 2024 Apr 27 07:57:05 | 74.0301 | 0.00209 | 5.1087 | 223.6168 | 316.4928 | 12.46448 | – |
| 2024 Apr 29 17:52 | 2024 Apr 27 07:57:05 | 74.0301 | 0.00209 | 5.1087 | 223.6168 | 316.4928 | 12.46448 | – |
| 2024 Apr 28 17:52 | 2024 Apr 27 07:57:05 | 74.0301 | 0.00209 | 5.1087 | 223.6168 | 316.4928 | 12.46448 | – |
| 2024 Apr 27 17:58 | 2024 Apr 27 07:57:05 | 74.0301 | 0.00209 | 5.1087 | 223.6168 | 316.4928 | 12.46448 | – |
| 2024 Apr 26 17:54 | 2024 Apr 22 02:33:56 | 74.0290 | 0.00210 | 5.5685 | 231.2805 | 316.4928 | 12.46448 | – |
| 2024 Apr 25 17:55 | 2024 Apr 22 02:33:56 | 74.0290 | 0.00210 | 5.5685 | 231.2805 | 316.4928 | 12.46448 | – |
| 2024 Apr 24 17:53 | 2024 Apr 22 02:33:56 | 74.0290 | 0.00210 | 5.5685 | 231.2805 | 316.4928 | 12.46448 | – |
| 2024 Apr 23 17:53 | 2024 Apr 22 02:33:56 | 74.0290 | 0.00210 | 5.5685 | 231.2805 | 316.4928 | 12.46448 | – |
| 2024 Apr 22 17:52 | 2024 Apr 22 02:33:56 | 74.0290 | 0.00210 | 5.5685 | 231.2805 | 316.4928 | 12.46448 | – |
| 2024 Apr 21 17:53 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 20 17:52 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 19 17:53 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 18 17:57 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 17 17:53 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 16 17:53 | 2024 Apr 15 10:54:57 | 74.0278 | 0.00210 | 6.1540 | 241.0109 | 316.4928 | 12.46448 | – |
| 2024 Apr 15 17:54 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 14 17:53 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 13 17:53 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 12 17:53 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 11 17:54 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 10 17:56 | 2024 Apr 09 18:28:13 | 74.0273 | 0.00211 | 6.6544 | 249.2605 | 316.4928 | 12.46448 | – |
| 2024 Apr 09 17:56 | 2024 Apr 05 04:07:21 | 74.0270 | 0.00211 | 7.0591 | 255.9188 | 316.4928 | 12.46448 | – |
| 2024 Apr 08 17:55 | 2024 Apr 05 04:07:21 | 74.0270 | 0.00211 | 7.0591 | 255.9188 | 316.4928 | 12.46448 | – |
| 2024 Apr 07 17:53 | 2024 Apr 05 04:07:21 | 74.0270 | 0.00211 | 7.0591 | 255.9188 | 316.4928 | 12.46448 | – |
| 2024 Apr 06 17:58 | 2024 Apr 05 04:07:21 | 74.0270 | 0.00211 | 7.0591 | 255.9188 | 316.4928 | 12.46448 | – |