Orbital elements of COSMOS 381
| Launched | 1 December 1970 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 4783 |
| 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 07 18:56 | 2025 Dec 06 23:25:49 | 74.0328 | 0.00300 | 22.0265 | 30.0443 | 330.2390 | 13.75025 | 6.743 |
| 2025 Dec 06 18:56 | 2025 Dec 02 11:10:24 | 74.0329 | 0.00299 | 22.5256 | 38.6888 | 330.2390 | 13.75025 | 6.743 |
| 2025 Dec 05 18:57 | 2025 Dec 02 11:10:24 | 74.0329 | 0.00299 | 22.5256 | 38.6888 | 330.2390 | 13.75025 | 6.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:10:24 | 74.0329 | 0.00299 | 22.5256 | 38.6888 | 330.2390 | 13.75025 | 6.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:10:24 | 74.0329 | 0.00299 | 22.5256 | 38.6888 | 330.2390 | 13.75025 | 6.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:10:24 | 74.0329 | 0.00299 | 22.5256 | 38.6888 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:32:57 | 74.0332 | 0.00297 | 23.2984 | 52.1970 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 05:49:52 | 74.0337 | 0.00296 | 23.8779 | 62.3159 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 05:49:52 | 74.0337 | 0.00296 | 23.8779 | 62.3159 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 21 18:57 | 2025 Nov 20 05:49:52 | 74.0337 | 0.00296 | 23.8779 | 62.3159 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 20 18:56 | 2025 Nov 20 05:49:52 | 74.0337 | 0.00296 | 23.8779 | 62.3159 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 16 18:58 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 15 18:57 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 13 18:56 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 12 18:57 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 11 18:55 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |
| 2025 Nov 10 18:57 | 2025 Nov 08 14:27:25 | 74.0350 | 0.00296 | 1.1657 | 84.9205 | 330.2390 | 13.75025 | 6.743 |