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 Jul 03 17:57 | 2026 Jun 29 12:47:13 | 74.0304 | 0.00210 | 7.5727 | 239.0711 | 234.9768 | 12.46417 | – |
| 2026 Jul 02 17:56 | 2026 Jun 29 12:47:13 | 74.0304 | 0.00210 | 7.5727 | 239.0711 | 234.9768 | 12.46417 | – |
| 2026 Jul 01 17:56 | 2026 Jun 29 12:47:13 | 74.0304 | 0.00210 | 7.5727 | 239.0711 | 234.9768 | 12.46417 | – |
| 2026 Jun 30 17:56 | 2026 Jun 29 12:47:13 | 74.0304 | 0.00210 | 7.5727 | 239.0711 | 234.9768 | 12.46417 | – |
| 2026 Jun 29 17:57 | 2026 Jun 29 12:47:13 | 74.0304 | 0.00210 | 7.5727 | 239.0711 | 234.9768 | 12.46417 | – |
| 2026 Jun 28 17:56 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 27 17:55 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 26 17:56 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 25 17:56 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 24 17:55 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 23 17:56 | 2026 Jun 22 15:27:20 | 74.0297 | 0.00210 | 8.1788 | 249.1621 | 234.9768 | 12.46417 | – |
| 2026 Jun 22 17:56 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 21 17:57 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 20 17:56 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 19 17:57 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 18 17:56 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 17 17:57 | 2026 Jun 17 08:01:11 | 74.0290 | 0.00211 | 8.6460 | 256.9048 | 234.9768 | 12.46417 | – |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:38:15 | 74.0286 | 0.00211 | 9.0911 | 264.2706 | 234.9768 | 12.46417 | – |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:38:15 | 74.0286 | 0.00211 | 9.0911 | 264.2706 | 234.9768 | 12.46417 | – |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:38:15 | 74.0286 | 0.00211 | 9.0911 | 264.2706 | 234.9768 | 12.46417 | – |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:38:15 | 74.0286 | 0.00211 | 9.0911 | 264.2706 | 234.9768 | 12.46417 | – |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:38:15 | 74.0286 | 0.00211 | 9.0911 | 264.2706 | 234.9768 | 12.46417 | – |
| 2026 Jun 11 17:57 | 2026 Jun 07 04:46:00 | 74.0280 | 0.00212 | 9.5379 | 271.6457 | 234.9768 | 12.46417 | – |
| 2026 Jun 10 17:56 | 2026 Jun 07 04:46:00 | 74.0280 | 0.00212 | 9.5379 | 271.6457 | 234.9768 | 12.46417 | – |
| 2026 Jun 09 17:57 | 2026 Jun 07 04:46:00 | 74.0280 | 0.00212 | 9.5379 | 271.6457 | 234.9768 | 12.46417 | – |
| 2026 Jun 08 17:56 | 2026 Jun 07 04:46:00 | 74.0280 | 0.00212 | 9.5379 | 271.6457 | 234.9768 | 12.46417 | – |
| 2026 Jun 07 17:56 | 2026 Jun 07 04:46:00 | 74.0280 | 0.00212 | 9.5379 | 271.6457 | 234.9768 | 12.46417 | – |
| 2026 Jun 06 17:56 | 2026 May 31 11:32:22 | 74.0276 | 0.00211 | 10.1291 | 281.3427 | 234.9768 | 12.46417 | – |