Orbital elements of COSMOS 878
| Launched | 6 December 1976 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 9595 |
| 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 Sep 15 17:56 | 2025 Sep 15 06:15:03 | 74.0338 | 0.00070 | 1.4735 | 206.5517 | 169.2623 | 12.48941 | – |
| 2025 Sep 12 17:57 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 04:50:01 | 74.0314 | 0.00071 | 2.5397 | 223.5154 | 169.2623 | 12.48941 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:24:26 | 74.0303 | 0.00072 | 3.1012 | 232.4284 | 169.2623 | 12.48941 | – |
| 2025 Aug 27 17:56 | 2025 Aug 23 05:28:49 | 74.0296 | 0.00072 | 3.5100 | 238.9244 | 169.2623 | 12.48941 | – |
| 2025 Aug 26 17:56 | 2025 Aug 23 05:28:49 | 74.0296 | 0.00072 | 3.5100 | 238.9244 | 169.2623 | 12.48941 | – |
| 2025 Aug 25 17:56 | 2025 Aug 23 05:28:49 | 74.0296 | 0.00072 | 3.5100 | 238.9244 | 169.2623 | 12.48941 | – |
| 2025 Aug 24 17:56 | 2025 Aug 23 05:28:49 | 74.0296 | 0.00072 | 3.5100 | 238.9244 | 169.2623 | 12.48941 | – |
| 2025 Aug 23 17:56 | 2025 Aug 23 05:28:49 | 74.0296 | 0.00072 | 3.5100 | 238.9244 | 169.2623 | 12.48941 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:15:04 | 74.0290 | 0.00072 | 3.9787 | 246.4322 | 169.2623 | 12.48941 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:15:04 | 74.0290 | 0.00072 | 3.9787 | 246.4322 | 169.2623 | 12.48941 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:15:04 | 74.0290 | 0.00072 | 3.9787 | 246.4322 | 169.2623 | 12.48941 | – |