Orbital elements of COSMOS 1621
| Launched | 14 January 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15473 |
| 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 17 18:56 | 2026 Mar 15 15:06:54 | 82.6115 | 0.00120 | 9.0784 | 359.5723 | 155.9566 | 12.64482 | – |
| 2026 Mar 16 18:57 | 2026 Mar 15 15:06:54 | 82.6115 | 0.00120 | 9.0784 | 359.5723 | 155.9566 | 12.64482 | – |
| 2026 Mar 15 18:56 | 2026 Mar 15 15:06:54 | 82.6115 | 0.00120 | 9.0784 | 359.5723 | 155.9566 | 12.64482 | – |
| 2026 Mar 14 18:56 | 2026 Mar 10 03:24:16 | 82.6128 | 0.00123 | 9.3117 | 12.1158 | 155.9566 | 12.64482 | – |
| 2026 Mar 13 18:57 | 2026 Mar 10 03:24:16 | 82.6128 | 0.00123 | 9.3117 | 12.1158 | 155.9566 | 12.64482 | – |
| 2026 Mar 12 18:57 | 2026 Mar 10 03:24:16 | 82.6128 | 0.00123 | 9.3117 | 12.1158 | 155.9566 | 12.64482 | – |
| 2026 Mar 11 18:56 | 2026 Mar 10 03:24:16 | 82.6128 | 0.00123 | 9.3117 | 12.1158 | 155.9566 | 12.64482 | – |
| 2026 Mar 10 18:56 | 2026 Mar 10 03:24:16 | 82.6128 | 0.00123 | 9.3117 | 12.1158 | 155.9566 | 12.64482 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 15:10:55 | 82.6138 | 0.00125 | 9.5459 | 24.3984 | 155.9566 | 12.64482 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 06:47:47 | 82.6148 | 0.00127 | 9.8157 | 38.3192 | 155.9566 | 12.64482 | – |