Orbital elements of COSMOS 1238
| Launched | 15 January 1981 | 
| Flight ended | – | 
| Launch site | Plesetsk Missile and Space Complex, Russia | 
| Owner | Commonwealth of Independent States (former USSR) | 
| NORAD ID | 12138 | 
| 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 30 18:57 | 2025 Oct 29 12:35:10 | 82.9602 | 0.06465 | 2.7430 | 46.9858 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 29 18:57 | 2025 Oct 29 12:35:10 | 82.9602 | 0.06465 | 2.7430 | 46.9858 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 28 18:57 | 2025 Oct 23 22:09:38 | 82.9595 | 0.06467 | 3.0385 | 63.6716 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 27 18:57 | 2025 Oct 23 22:09:38 | 82.9595 | 0.06467 | 3.0385 | 63.6716 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 26 18:57 | 2025 Oct 23 22:09:38 | 82.9595 | 0.06467 | 3.0385 | 63.6716 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 25 17:57 | 2025 Oct 23 22:09:38 | 82.9595 | 0.06467 | 3.0385 | 63.6716 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 24 17:57 | 2025 Oct 23 22:09:38 | 82.9595 | 0.06467 | 3.0385 | 63.6716 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 22 17:56 | 2025 Oct 18 07:43:41 | 82.9582 | 0.06467 | 3.3341 | 80.3614 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 21 17:56 | 2025 Oct 18 07:43:41 | 82.9582 | 0.06467 | 3.3341 | 80.3614 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 20 17:56 | 2025 Oct 18 07:43:41 | 82.9582 | 0.06467 | 3.3341 | 80.3614 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 19 17:56 | 2025 Oct 18 07:43:41 | 82.9582 | 0.06467 | 3.3341 | 80.3614 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 18 17:56 | 2025 Oct 18 07:43:41 | 82.9582 | 0.06467 | 3.3341 | 80.3614 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 17 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 16 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 15 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 14 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 12 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 11 17:57 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 09 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 08 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 07 17:56 | 2025 Oct 07 14:45:05 | 82.9571 | 0.06475 | 3.8990 | 112.2929 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 05 17:56 | 2025 Sep 26 03:00:33 | 82.9575 | 0.06481 | 4.5051 | 146.5880 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 04 17:57 | 2025 Sep 26 03:00:33 | 82.9575 | 0.06481 | 4.5051 | 146.5880 | 318.3651 | 14.11241 | 6.743 | 
| 2025 Oct 03 17:57 | 2025 Sep 26 03:00:33 | 82.9575 | 0.06481 | 4.5051 | 146.5880 | 318.3651 | 14.11241 | 6.743 |