Orbital elements of COSMOS 400
| Launched | 17 March 1971 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 5050 |
| 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 13 18:57 | 2026 Mar 10 09:17:54 | 65.8238 | 0.00128 | 5.0386 | 240.5494 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 12 18:57 | 2026 Mar 10 09:17:54 | 65.8238 | 0.00128 | 5.0386 | 240.5494 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 11 18:56 | 2026 Mar 10 09:17:54 | 65.8238 | 0.00128 | 5.0386 | 240.5494 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 10 18:56 | 2026 Mar 10 09:17:54 | 65.8238 | 0.00128 | 5.0386 | 240.5494 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 09 18:56 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 08 18:57 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 07 18:57 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 06 18:56 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 05 18:56 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 04 18:57 | 2026 Mar 04 11:39:35 | 65.8234 | 0.00131 | 6.0064 | 241.4380 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 03 18:56 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 02 18:57 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |
| 2026 Mar 01 18:57 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |
| 2026 Feb 28 18:56 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |
| 2026 Feb 27 19:05 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |
| 2026 Feb 26 20:45 | 2026 Feb 26 12:12:24 | 65.8237 | 0.00133 | 6.9866 | 242.3485 | 217.9769 | 13.72203 | 9.243 |