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 |
| 2025 Dec 17 18:58 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:53:18 | 74.0320 | 0.00204 | 1.1093 | 178.8941 | 250.8947 | 12.46413 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 02:23:12 | 74.0324 | 0.00205 | 1.5621 | 186.4919 | 250.8947 | 12.46413 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 02:23:12 | 74.0324 | 0.00205 | 1.5621 | 186.4919 | 250.8947 | 12.46413 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 02:23:12 | 74.0324 | 0.00205 | 1.5621 | 186.4919 | 250.8947 | 12.46413 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 02:23:12 | 74.0324 | 0.00205 | 1.5621 | 186.4919 | 250.8947 | 12.46413 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 02:23:12 | 74.0324 | 0.00205 | 1.5621 | 186.4919 | 250.8947 | 12.46413 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:06:01 | 74.0327 | 0.00206 | 1.9702 | 193.3567 | 250.8947 | 12.46413 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:06:01 | 74.0327 | 0.00206 | 1.9702 | 193.3567 | 250.8947 | 12.46413 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:06:01 | 74.0327 | 0.00206 | 1.9702 | 193.3567 | 250.8947 | 12.46413 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:06:01 | 74.0327 | 0.00206 | 1.9702 | 193.3567 | 250.8947 | 12.46413 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:06:01 | 74.0327 | 0.00206 | 1.9702 | 193.3567 | 250.8947 | 12.46413 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:00:38 | 74.0331 | 0.00207 | 2.5864 | 203.5474 | 250.8947 | 12.46413 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:04:55 | 74.0333 | 0.00208 | 3.0444 | 211.1147 | 250.8947 | 12.46413 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:04:55 | 74.0333 | 0.00208 | 3.0444 | 211.1147 | 250.8947 | 12.46413 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:04:55 | 74.0333 | 0.00208 | 3.0444 | 211.1147 | 250.8947 | 12.46413 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:04:55 | 74.0333 | 0.00208 | 3.0444 | 211.1147 | 250.8947 | 12.46413 | – |