Orbital elements of COSMOS 877
| Launched | 6 December 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9594 |
| 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 |
| 2024 Apr 24 17:53 | 2024 Apr 22 11:07:07 | 74.0304 | 0.00065 | 15.7780 | 313.1727 | 110.5494 | 12.51320 | – |
| 2024 Apr 23 17:53 | 2024 Apr 22 11:07:07 | 74.0304 | 0.00065 | 15.7780 | 313.1727 | 110.5494 | 12.51320 | – |
| 2024 Apr 22 17:52 | 2024 Apr 22 11:07:07 | 74.0304 | 0.00065 | 15.7780 | 313.1727 | 110.5494 | 12.51320 | – |
| 2024 Apr 21 17:53 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 20 17:52 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 19 17:53 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 18 17:57 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 17 17:53 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 16 17:53 | 2024 Apr 15 20:25:58 | 74.0297 | 0.00064 | 16.3651 | 322.6570 | 110.5494 | 12.51320 | – |
| 2024 Apr 15 17:54 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 14 17:53 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 13 17:53 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 12 17:53 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 11 17:54 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 10 17:56 | 2024 Apr 10 04:14:08 | 74.0285 | 0.00063 | 16.8691 | 330.9730 | 110.5494 | 12.51320 | – |
| 2024 Apr 09 17:56 | 2024 Apr 04 21:30:27 | 74.0280 | 0.00062 | 17.3381 | 338.7393 | 110.5494 | 12.51320 | – |
| 2024 Apr 08 17:55 | 2024 Apr 04 21:30:27 | 74.0280 | 0.00062 | 17.3381 | 338.7393 | 110.5494 | 12.51320 | – |
| 2024 Apr 07 17:53 | 2024 Apr 04 21:30:27 | 74.0280 | 0.00062 | 17.3381 | 338.7393 | 110.5494 | 12.51320 | – |
| 2024 Apr 06 17:58 | 2024 Apr 04 21:30:27 | 74.0280 | 0.00062 | 17.3381 | 338.7393 | 110.5494 | 12.51320 | – |
| 2024 Apr 05 17:53 | 2024 Apr 04 21:30:27 | 74.0280 | 0.00062 | 17.3381 | 338.7393 | 110.5494 | 12.51320 | – |
| 2024 Apr 04 17:56 | 2024 Mar 30 22:20:16 | 74.0275 | 0.00062 | 17.7792 | 346.1773 | 110.5494 | 12.51320 | – |
| 2024 Apr 03 17:53 | 2024 Mar 30 22:20:16 | 74.0275 | 0.00062 | 17.7792 | 346.1773 | 110.5494 | 12.51320 | – |
| 2024 Apr 02 17:52 | 2024 Mar 30 22:20:16 | 74.0275 | 0.00062 | 17.7792 | 346.1773 | 110.5494 | 12.51320 | – |
| 2024 Apr 01 17:52 | 2024 Mar 30 22:20:16 | 74.0275 | 0.00062 | 17.7792 | 346.1773 | 110.5494 | 12.51320 | – |
| 2024 Mar 31 17:52 | 2024 Mar 30 22:20:16 | 74.0275 | 0.00062 | 17.7792 | 346.1773 | 110.5494 | 12.51320 | – |
| 2024 Mar 30 18:52 | 2024 Mar 24 22:25:00 | 74.0275 | 0.00061 | 18.3119 | 355.1049 | 110.5494 | 12.51320 | – |
| 2024 Mar 29 18:52 | 2024 Mar 24 22:25:00 | 74.0275 | 0.00061 | 18.3119 | 355.1049 | 110.5494 | 12.51320 | – |
| 2024 Mar 28 18:52 | 2024 Mar 24 22:25:00 | 74.0275 | 0.00061 | 18.3119 | 355.1049 | 110.5494 | 12.51320 | – |