Orbital elements of COSMOS 1878
| Launched | 6 September 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 18337 |
| 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 Mar 18 18:56 | 2026 Mar 15 12:31:16 | 82.5757 | 0.00042 | 23.5171 | 80.1533 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 17 18:56 | 2026 Mar 15 12:31:16 | 82.5757 | 0.00042 | 23.5171 | 80.1533 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 16 18:57 | 2026 Mar 15 12:31:16 | 82.5757 | 0.00042 | 23.5171 | 80.1533 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 15 18:56 | 2026 Mar 15 12:31:16 | 82.5757 | 0.00042 | 23.5171 | 80.1533 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 14 18:56 | 2026 Mar 10 06:52:24 | 82.5757 | 0.00042 | 23.7408 | 89.0656 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 13 18:57 | 2026 Mar 10 06:52:24 | 82.5757 | 0.00042 | 23.7408 | 89.0656 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 06:52:24 | 82.5757 | 0.00042 | 23.7408 | 89.0656 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 06:52:24 | 82.5757 | 0.00042 | 23.7408 | 89.0656 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 06:52:24 | 82.5757 | 0.00042 | 23.7408 | 89.0656 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 06:44:28 | 82.5753 | 0.00041 | 23.9974 | 99.3365 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 14:06:47 | 82.5745 | 0.00040 | 0.2406 | 108.9851 | 93.4297 | 12.64383 | 8.243 |