Orbital elements of COSMOS 831
| Launched | 14 June 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 8895 |
| 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 Jun 02 17:58 | 2025 Jun 01 15:26:30 | 74.0015 | 0.00207 | 23.1732 | 336.0788 | 95.2998 | 12.43741 | – |
| 2025 Jun 01 17:56 | 2025 Jun 01 15:26:30 | 74.0015 | 0.00207 | 23.1732 | 336.0788 | 95.2998 | 12.43741 | – |
| 2025 May 31 17:56 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 30 17:56 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 29 17:56 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 28 17:56 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 27 17:57 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 26 17:56 | 2025 May 25 20:58:30 | 74.0021 | 0.00206 | 23.7671 | 346.0015 | 95.2998 | 12.43741 | – |
| 2025 May 25 17:56 | 2025 May 21 14:56:13 | 74.0024 | 0.00206 | 0.1401 | 352.2817 | 95.2998 | 12.43741 | – |
| 2025 May 24 17:57 | 2025 May 21 14:56:13 | 74.0024 | 0.00206 | 0.1401 | 352.2817 | 95.2998 | 12.43741 | – |
| 2025 May 23 17:56 | 2025 May 21 14:56:13 | 74.0024 | 0.00206 | 0.1401 | 352.2817 | 95.2998 | 12.43741 | – |
| 2025 May 22 17:56 | 2025 May 21 14:56:13 | 74.0024 | 0.00206 | 0.1401 | 352.2817 | 95.2998 | 12.43741 | – |
| 2025 May 21 17:56 | 2025 May 21 14:56:13 | 74.0024 | 0.00206 | 0.1401 | 352.2817 | 95.2998 | 12.43741 | – |
| 2025 May 20 17:56 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 19 17:56 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 18 17:57 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 17 17:57 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 16 17:56 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 15 17:57 | 2025 May 15 00:40:56 | 74.0032 | 0.00205 | 0.7185 | 1.9391 | 95.2998 | 12.43741 | – |
| 2025 May 14 17:56 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 13 17:56 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 12 17:56 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 11 17:56 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 10 17:56 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 09 17:57 | 2025 May 09 02:17:57 | 74.0039 | 0.00204 | 1.2388 | 10.7576 | 95.2998 | 12.43741 | – |
| 2025 May 08 17:56 | 2025 May 03 05:25:28 | 74.0040 | 0.00203 | 1.7536 | 19.3781 | 95.2998 | 12.43741 | – |
| 2025 May 07 17:56 | 2025 May 03 05:25:28 | 74.0040 | 0.00203 | 1.7536 | 19.3781 | 95.2998 | 12.43741 | – |
| 2025 May 06 17:57 | 2025 May 03 05:25:28 | 74.0040 | 0.00203 | 1.7536 | 19.3781 | 95.2998 | 12.43741 | – |