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 Nov 02 18:57 | 2025 Oct 29 12:03:50 | 74.0391 | 0.00175 | 14.3518 | 246.0705 | 113.8619 | 14.37142 | 6.743 |
| 2025 Nov 01 18:58 | 2025 Oct 29 12:03:50 | 74.0391 | 0.00175 | 14.3518 | 246.0705 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 31 18:57 | 2025 Oct 29 12:03:50 | 74.0391 | 0.00175 | 14.3518 | 246.0705 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 30 18:57 | 2025 Oct 29 12:03:50 | 74.0391 | 0.00175 | 14.3518 | 246.0705 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 29 18:57 | 2025 Oct 29 12:03:50 | 74.0391 | 0.00175 | 14.3518 | 246.0705 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 28 18:57 | 2025 Oct 23 22:24:41 | 74.0389 | 0.00176 | 15.0345 | 256.9481 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 27 18:57 | 2025 Oct 23 22:24:41 | 74.0389 | 0.00176 | 15.0345 | 256.9481 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 26 18:57 | 2025 Oct 23 22:24:41 | 74.0389 | 0.00176 | 15.0345 | 256.9481 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 25 17:57 | 2025 Oct 23 22:24:41 | 74.0389 | 0.00176 | 15.0345 | 256.9481 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 24 17:57 | 2025 Oct 23 22:24:41 | 74.0389 | 0.00176 | 15.0345 | 256.9481 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 22 17:56 | 2025 Oct 18 07:05:17 | 74.0382 | 0.00176 | 15.7256 | 267.9991 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 21 17:56 | 2025 Oct 18 07:05:17 | 74.0382 | 0.00176 | 15.7256 | 267.9991 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 20 17:56 | 2025 Oct 18 07:05:17 | 74.0382 | 0.00176 | 15.7256 | 267.9991 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 19 17:56 | 2025 Oct 18 07:05:17 | 74.0382 | 0.00176 | 15.7256 | 267.9991 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 18 17:56 | 2025 Oct 18 07:05:17 | 74.0382 | 0.00176 | 15.7256 | 267.9991 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 17 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 16 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 15 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 14 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 12 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 08:47:36 | 74.0367 | 0.00176 | 17.0655 | 289.2687 | 113.8619 | 14.37142 | 6.743 |