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 Jul 03 17:57 | 2026 Jun 28 20:04:27 | 74.0311 | 0.00300 | 3.6598 | 324.0291 | 109.4807 | 12.55776 | – |
| 2026 Jul 02 17:56 | 2026 Jun 28 20:04:27 | 74.0311 | 0.00300 | 3.6598 | 324.0291 | 109.4807 | 12.55776 | – |
| 2026 Jul 01 17:56 | 2026 Jun 28 20:04:27 | 74.0311 | 0.00300 | 3.6598 | 324.0291 | 109.4807 | 12.55776 | – |
| 2026 Jun 30 17:56 | 2026 Jun 28 20:04:27 | 74.0311 | 0.00300 | 3.6598 | 324.0291 | 109.4807 | 12.55776 | – |
| 2026 Jun 29 17:57 | 2026 Jun 28 20:04:27 | 74.0311 | 0.00300 | 3.6598 | 324.0291 | 109.4807 | 12.55776 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 11:39:42 | 74.0315 | 0.00300 | 4.2285 | 333.5549 | 109.4807 | 12.55776 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 03:15:36 | 74.0315 | 0.00299 | 4.7076 | 341.5986 | 109.4807 | 12.55776 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 04:45:17 | 74.0315 | 0.00299 | 5.1497 | 348.9992 | 109.4807 | 12.55776 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 04:45:17 | 74.0315 | 0.00299 | 5.1497 | 348.9992 | 109.4807 | 12.55776 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 04:45:17 | 74.0315 | 0.00299 | 5.1497 | 348.9992 | 109.4807 | 12.55776 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 04:45:17 | 74.0315 | 0.00299 | 5.1497 | 348.9992 | 109.4807 | 12.55776 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 04:45:17 | 74.0315 | 0.00299 | 5.1497 | 348.9992 | 109.4807 | 12.55776 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 01:49:06 | 74.0311 | 0.00298 | 5.6084 | 356.7657 | 109.4807 | 12.55776 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 01:49:06 | 74.0311 | 0.00298 | 5.6084 | 356.7657 | 109.4807 | 12.55776 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 01:49:06 | 74.0311 | 0.00298 | 5.6084 | 356.7657 | 109.4807 | 12.55776 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 01:49:06 | 74.0311 | 0.00298 | 5.6084 | 356.7657 | 109.4807 | 12.55776 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 01:49:06 | 74.0311 | 0.00298 | 5.6084 | 356.7657 | 109.4807 | 12.55776 | – |
| 2026 Jun 06 17:56 | 2026 May 31 07:52:57 | 74.0304 | 0.00297 | 6.2125 | 6.9099 | 109.4807 | 12.55776 | – |