Orbital elements of COSMOS 873
| Launched | 6 December 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9590 |
| 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 12:37:35 | 74.0271 | 0.00201 | 17.3407 | 43.5335 | 18.3042 | 12.46415 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 12:37:35 | 74.0271 | 0.00201 | 17.3407 | 43.5335 | 18.3042 | 12.46415 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 12:37:35 | 74.0271 | 0.00201 | 17.3407 | 43.5335 | 18.3042 | 12.46415 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 12:37:35 | 74.0271 | 0.00201 | 17.3407 | 43.5335 | 18.3042 | 12.46415 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 06:40:17 | 74.0274 | 0.00200 | 17.8906 | 53.0875 | 18.3042 | 12.46415 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 02:23:41 | 74.0282 | 0.00199 | 18.4344 | 62.5773 | 18.3042 | 12.46415 | – |