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 |
| 2025 Dec 16 18:57 | 2025 Dec 12 02:22:17 | 82.6109 | 0.00116 | 13.0535 | 202.9990 | 280.0576 | 12.64481 | – |
| 2025 Dec 15 18:58 | 2025 Dec 12 02:22:17 | 82.6109 | 0.00116 | 13.0535 | 202.9990 | 280.0576 | 12.64481 | – |
| 2025 Dec 14 18:56 | 2025 Dec 12 02:22:17 | 82.6109 | 0.00116 | 13.0535 | 202.9990 | 280.0576 | 12.64481 | – |
| 2025 Dec 13 18:56 | 2025 Dec 12 02:22:17 | 82.6109 | 0.00116 | 13.0535 | 202.9990 | 280.0576 | 12.64481 | – |
| 2025 Dec 12 18:57 | 2025 Dec 12 02:22:17 | 82.6109 | 0.00116 | 13.0535 | 202.9990 | 280.0576 | 12.64481 | – |
| 2025 Dec 11 18:56 | 2025 Dec 07 01:00:15 | 82.6116 | 0.00115 | 13.2685 | 215.0942 | 280.0576 | 12.64481 | – |
| 2025 Dec 10 18:56 | 2025 Dec 07 01:00:15 | 82.6116 | 0.00115 | 13.2685 | 215.0942 | 280.0576 | 12.64481 | – |
| 2025 Dec 09 18:56 | 2025 Dec 07 01:00:15 | 82.6116 | 0.00115 | 13.2685 | 215.0942 | 280.0576 | 12.64481 | – |
| 2025 Dec 08 18:56 | 2025 Dec 07 01:00:15 | 82.6116 | 0.00115 | 13.2685 | 215.0942 | 280.0576 | 12.64481 | – |
| 2025 Dec 07 18:56 | 2025 Dec 07 01:00:15 | 82.6116 | 0.00115 | 13.2685 | 215.0942 | 280.0576 | 12.64481 | – |
| 2025 Dec 06 18:56 | 2025 Dec 02 09:06:44 | 82.6118 | 0.00113 | 13.4666 | 226.2687 | 280.0576 | 12.64481 | – |
| 2025 Dec 05 18:57 | 2025 Dec 02 09:06:44 | 82.6118 | 0.00113 | 13.4666 | 226.2687 | 280.0576 | 12.64481 | – |
| 2025 Dec 04 18:57 | 2025 Dec 02 09:06:44 | 82.6118 | 0.00113 | 13.4666 | 226.2687 | 280.0576 | 12.64481 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 09:06:44 | 82.6118 | 0.00113 | 13.4666 | 226.2687 | 280.0576 | 12.64481 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 09:06:44 | 82.6118 | 0.00113 | 13.4666 | 226.2687 | 280.0576 | 12.64481 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 03:58:11 | 82.6126 | 0.00111 | 13.7732 | 243.9539 | 280.0576 | 12.64481 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 04:19:24 | 82.6132 | 0.00111 | 13.9851 | 256.3633 | 280.0576 | 12.64481 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 04:19:24 | 82.6132 | 0.00111 | 13.9851 | 256.3633 | 280.0576 | 12.64481 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 04:19:24 | 82.6132 | 0.00111 | 13.9851 | 256.3633 | 280.0576 | 12.64481 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 04:19:24 | 82.6132 | 0.00111 | 13.9851 | 256.3633 | 280.0576 | 12.64481 | – |