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 |
| 2026 Mar 25 18:56 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 24 18:56 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 23 18:56 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 22 18:56 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 21 19:05 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 20 18:57 | 2026 Mar 20 02:04:44 | 74.0393 | 0.00171 | 20.9940 | 306.9575 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 19 18:56 | 2026 Mar 15 10:09:03 | 74.0402 | 0.00170 | 21.5658 | 316.1498 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 18 18:56 | 2026 Mar 15 10:09:03 | 74.0402 | 0.00170 | 21.5658 | 316.1498 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 17 18:56 | 2026 Mar 15 10:09:03 | 74.0402 | 0.00170 | 21.5658 | 316.1498 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 16 18:57 | 2026 Mar 15 10:09:03 | 74.0402 | 0.00170 | 21.5658 | 316.1498 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 15 18:56 | 2026 Mar 15 10:09:03 | 74.0402 | 0.00170 | 21.5658 | 316.1498 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 14 18:56 | 2026 Mar 10 03:11:16 | 74.0410 | 0.00169 | 22.2143 | 326.5799 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 13 18:57 | 2026 Mar 10 03:11:16 | 74.0410 | 0.00169 | 22.2143 | 326.5799 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 12 18:57 | 2026 Mar 10 03:11:16 | 74.0410 | 0.00169 | 22.2143 | 326.5799 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 11 18:56 | 2026 Mar 10 03:11:16 | 74.0410 | 0.00169 | 22.2143 | 326.5799 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 10 18:56 | 2026 Mar 10 03:11:16 | 74.0410 | 0.00169 | 22.2143 | 326.5799 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 09 18:56 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 08 18:57 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 07 18:57 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 06 18:56 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 05 18:56 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 04 18:57 | 2026 Mar 04 06:51:36 | 74.0413 | 0.00166 | 22.9311 | 338.3465 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:52:22 | 74.0411 | 0.00164 | 23.6308 | 349.9837 | 53.0012 | 14.37217 | 6.743 |