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 Dec 20 18:57 | 2025 Dec 20 03:43:33 | 74.0307 | 0.00062 | 16.9953 | 55.2148 | 58.0985 | 12.48943 | – |
| 2025 Dec 19 18:57 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 18 18:57 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 17 18:58 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 16 18:57 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 05:42:50 | 74.0311 | 0.00061 | 17.6952 | 68.2243 | 58.0985 | 12.48943 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 06:27:39 | 74.0310 | 0.00061 | 18.1345 | 76.5588 | 58.0985 | 12.48943 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 06:27:39 | 74.0310 | 0.00061 | 18.1345 | 76.5588 | 58.0985 | 12.48943 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 06:27:39 | 74.0310 | 0.00061 | 18.1345 | 76.5588 | 58.0985 | 12.48943 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 06:27:39 | 74.0310 | 0.00061 | 18.1345 | 76.5588 | 58.0985 | 12.48943 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 06:27:39 | 74.0310 | 0.00061 | 18.1345 | 76.5588 | 58.0985 | 12.48943 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 07:03:45 | 74.0308 | 0.00060 | 18.5744 | 84.8540 | 58.0985 | 12.48943 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 07:03:45 | 74.0308 | 0.00060 | 18.5744 | 84.8540 | 58.0985 | 12.48943 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 07:03:45 | 74.0308 | 0.00060 | 18.5744 | 84.8540 | 58.0985 | 12.48943 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 07:03:45 | 74.0308 | 0.00060 | 18.5744 | 84.8540 | 58.0985 | 12.48943 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 07:03:45 | 74.0308 | 0.00060 | 18.5744 | 84.8540 | 58.0985 | 12.48943 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 08:07:10 | 74.0302 | 0.00060 | 19.1894 | 96.6680 | 58.0985 | 12.48943 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:40:33 | 74.0299 | 0.00060 | 19.6368 | 105.2313 | 58.0985 | 12.48943 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:40:33 | 74.0299 | 0.00060 | 19.6368 | 105.2313 | 58.0985 | 12.48943 | – |