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 |
| 2026 Jun 30 17:56 | 2026 Jun 29 13:22:37 | 74.0335 | 0.00306 | 23.3928 | 6.4217 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 29 17:57 | 2026 Jun 29 13:22:37 | 74.0335 | 0.00306 | 23.3928 | 6.4217 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 28 17:56 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 27 17:55 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 26 17:56 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 25 17:56 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 24 17:55 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 23 17:56 | 2026 Jun 22 12:00:35 | 74.0332 | 0.00304 | 0.1736 | 19.7443 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 22 17:56 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 21 17:57 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 20 17:56 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 19 17:57 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 18 17:56 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 17 17:57 | 2026 Jun 17 13:16:41 | 74.0333 | 0.00303 | 0.7210 | 29.1169 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 16 17:55 | 2026 Jun 12 00:34:41 | 74.0334 | 0.00301 | 1.3327 | 39.6497 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 15 17:56 | 2026 Jun 12 00:34:41 | 74.0334 | 0.00301 | 1.3327 | 39.6497 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 14 17:57 | 2026 Jun 12 00:34:41 | 74.0334 | 0.00301 | 1.3327 | 39.6497 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 13 17:56 | 2026 Jun 12 00:34:41 | 74.0334 | 0.00301 | 1.3327 | 39.6497 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 12 17:56 | 2026 Jun 12 00:34:41 | 74.0334 | 0.00301 | 1.3327 | 39.6497 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 11 17:57 | 2026 Jun 07 00:06:00 | 74.0337 | 0.00300 | 1.8881 | 49.2908 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 10 17:56 | 2026 Jun 07 00:06:00 | 74.0337 | 0.00300 | 1.8881 | 49.2908 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 09 17:57 | 2026 Jun 07 00:06:00 | 74.0337 | 0.00300 | 1.8881 | 49.2908 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 08 17:56 | 2026 Jun 07 00:06:00 | 74.0337 | 0.00300 | 1.8881 | 49.2908 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 07 17:56 | 2026 Jun 07 00:06:00 | 74.0337 | 0.00300 | 1.8881 | 49.2908 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 06 17:56 | 2026 May 31 02:13:29 | 74.0342 | 0.00299 | 2.6528 | 62.5463 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 05 17:56 | 2026 May 31 02:13:29 | 74.0342 | 0.00299 | 2.6528 | 62.5463 | 353.7288 | 13.75047 | 6.743 |
| 2026 Jun 04 17:57 | 2026 May 31 02:13:29 | 74.0342 | 0.00299 | 2.6528 | 62.5463 | 353.7288 | 13.75047 | 6.743 |