Orbital elements of COSMOS 990
| Launched | 16 February 1978 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10676 |
| 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 Jul 16 17:56 | 2025 Jul 15 01:34:50 | 74.0384 | 0.00155 | 3.3998 | 107.7065 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 15 17:56 | 2025 Jul 15 01:34:50 | 74.0384 | 0.00155 | 3.3998 | 107.7065 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 14 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 13 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 12 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 11 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 10 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 09 17:56 | 2025 Jul 08 19:12:57 | 74.0388 | 0.00156 | 4.1678 | 121.6224 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 08 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 07 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 06 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 05 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 04 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 03 17:56 | 2025 Jul 03 10:34:13 | 74.0391 | 0.00157 | 4.8249 | 133.4325 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 02 17:56 | 2025 Jun 28 03:35:44 | 74.0391 | 0.00158 | 5.4734 | 145.0422 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jul 01 17:56 | 2025 Jun 28 03:35:44 | 74.0391 | 0.00158 | 5.4734 | 145.0422 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 30 17:56 | 2025 Jun 28 03:35:44 | 74.0391 | 0.00158 | 5.4734 | 145.0422 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 29 17:56 | 2025 Jun 28 03:35:44 | 74.0391 | 0.00158 | 5.4734 | 145.0422 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 28 17:56 | 2025 Jun 28 03:35:44 | 74.0391 | 0.00158 | 5.4734 | 145.0422 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 27 17:56 | 2025 Jun 23 03:18:12 | 74.0392 | 0.00160 | 6.0877 | 155.8651 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 26 17:56 | 2025 Jun 23 03:18:12 | 74.0392 | 0.00160 | 6.0877 | 155.8651 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 25 17:56 | 2025 Jun 23 03:18:12 | 74.0392 | 0.00160 | 6.0877 | 155.8651 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 24 17:56 | 2025 Jun 23 03:18:12 | 74.0392 | 0.00160 | 6.0877 | 155.8651 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 23 17:56 | 2025 Jun 23 03:18:12 | 74.0392 | 0.00160 | 6.0877 | 155.8651 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 22 17:56 | 2025 Jun 17 03:37:16 | 74.0388 | 0.00162 | 6.8215 | 168.7101 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 21 17:56 | 2025 Jun 17 03:37:16 | 74.0388 | 0.00162 | 6.8215 | 168.7101 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 20 17:57 | 2025 Jun 17 03:37:16 | 74.0388 | 0.00162 | 6.8215 | 168.7101 | 252.5777 | 14.37088 | 6.743 |
| 2025 Jun 19 17:56 | 2025 Jun 17 03:37:16 | 74.0388 | 0.00162 | 6.8215 | 168.7101 | 252.5777 | 14.37088 | 6.743 |