Orbital elements of COSMOS 871
| Launched | 6 December 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9588 |
| 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 13 18:57 | 2026 Mar 10 12:12:01 | 74.0309 | 0.00295 | 13.5388 | 133.1685 | 297.9049 | 12.55774 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 12:12:01 | 74.0309 | 0.00295 | 13.5388 | 133.1685 | 297.9049 | 12.55774 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 12:12:01 | 74.0309 | 0.00295 | 13.5388 | 133.1685 | 297.9049 | 12.55774 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:12:01 | 74.0309 | 0.00295 | 13.5388 | 133.1685 | 297.9049 | 12.55774 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 12:47:08 | 74.0297 | 0.00296 | 14.0738 | 142.3278 | 297.9049 | 12.55774 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 13:24:22 | 74.0285 | 0.00297 | 14.6088 | 151.4332 | 297.9049 | 12.55774 | – |