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 Oct 18 17:56 | 2025 Oct 18 06:51:06 | 74.0334 | 0.00298 | 3.5237 | 126.1921 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 17 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 16 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 15 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 14 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 12 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 11 17:57 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 09 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 08 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 07 17:56 | 2025 Oct 07 12:25:44 | 74.0312 | 0.00301 | 4.7150 | 146.8012 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 05 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 04 17:57 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 03 17:57 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Oct 02 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 30 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 29 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 28 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 27 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 26 17:56 | 2025 Sep 25 22:47:56 | 74.0305 | 0.00304 | 5.9949 | 168.8345 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 25 17:56 | 2025 Sep 19 21:52:20 | 74.0301 | 0.00306 | 6.6631 | 180.1714 | 234.1965 | 13.75018 | 6.743 |
| 2025 Sep 24 17:56 | 2025 Sep 19 21:52:20 | 74.0301 | 0.00306 | 6.6631 | 180.1714 | 234.1965 | 13.75018 | 6.743 |