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 |
| 2026 Apr 16 17:57 | 2026 Apr 13 00:36:55 | 73.9987 | 0.00210 | 19.5085 | 229.7651 | 291.0402 | 12.43747 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 00:36:55 | 73.9987 | 0.00210 | 19.5085 | 229.7651 | 291.0402 | 12.43747 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 00:36:55 | 73.9987 | 0.00210 | 19.5085 | 229.7651 | 291.0402 | 12.43747 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 13:53:09 | 73.9992 | 0.00210 | 19.8987 | 236.2577 | 291.0402 | 12.43747 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 13:53:09 | 73.9992 | 0.00210 | 19.8987 | 236.2577 | 291.0402 | 12.43747 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 13:53:09 | 73.9992 | 0.00210 | 19.8987 | 236.2577 | 291.0402 | 12.43747 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 13:53:09 | 73.9992 | 0.00210 | 19.8987 | 236.2577 | 291.0402 | 12.43747 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 13:53:09 | 73.9992 | 0.00210 | 19.8987 | 236.2577 | 291.0402 | 12.43747 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Apr 03 17:56 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Apr 02 18:03 | 2026 Apr 02 07:37:57 | 74.0001 | 0.00211 | 20.4479 | 245.3252 | 291.0402 | 12.43747 | – |
| 2026 Mar 31 17:57 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 30 17:58 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 29 17:57 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 28 18:57 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 27 18:57 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 26 18:57 | 2026 Mar 26 01:55:58 | 74.0014 | 0.00212 | 21.0828 | 255.8048 | 291.0402 | 12.43747 | – |
| 2026 Mar 25 18:56 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |
| 2026 Mar 24 18:56 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |
| 2026 Mar 23 18:56 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |
| 2026 Mar 22 18:56 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |
| 2026 Mar 21 19:05 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |
| 2026 Mar 20 18:57 | 2026 Mar 20 08:53:45 | 74.0028 | 0.00212 | 21.5837 | 264.0576 | 291.0402 | 12.43747 | – |