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 May 19 17:58 | 2026 May 16 08:06:45 | 82.6090 | 0.00115 | 6.4538 | 209.4204 | 269.7837 | 12.64482 | – |
| 2026 May 18 17:57 | 2026 May 16 08:06:45 | 82.6090 | 0.00115 | 6.4538 | 209.4204 | 269.7837 | 12.64482 | – |
| 2026 May 17 17:57 | 2026 May 16 08:06:45 | 82.6090 | 0.00115 | 6.4538 | 209.4204 | 269.7837 | 12.64482 | – |
| 2026 May 16 17:56 | 2026 May 16 08:06:45 | 82.6090 | 0.00115 | 6.4538 | 209.4204 | 269.7837 | 12.64482 | – |
| 2026 May 15 17:57 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 14 17:58 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 13 17:58 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 12 17:58 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 11 17:56 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 10 17:57 | 2026 May 10 09:40:29 | 82.6081 | 0.00113 | 6.7063 | 223.7363 | 269.7837 | 12.64482 | – |
| 2026 May 09 17:57 | 2026 May 05 10:19:03 | 82.6077 | 0.00112 | 6.9178 | 236.0144 | 269.7837 | 12.64482 | – |
| 2026 May 08 17:57 | 2026 May 05 10:19:03 | 82.6077 | 0.00112 | 6.9178 | 236.0144 | 269.7837 | 12.64482 | – |
| 2026 May 07 17:58 | 2026 May 05 10:19:03 | 82.6077 | 0.00112 | 6.9178 | 236.0144 | 269.7837 | 12.64482 | – |
| 2026 May 06 17:57 | 2026 May 05 10:19:03 | 82.6077 | 0.00112 | 6.9178 | 236.0144 | 269.7837 | 12.64482 | – |
| 2026 May 05 17:57 | 2026 May 05 10:19:03 | 82.6077 | 0.00112 | 6.9178 | 236.0144 | 269.7837 | 12.64482 | – |
| 2026 May 04 17:57 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 269.7837 | 12.64482 | – |
| 2026 May 03 17:57 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 269.7837 | 12.64482 | – |
| 2026 May 02 17:57 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 269.7837 | 12.64482 | – |
| 2026 May 01 17:56 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 269.7837 | 12.64482 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 269.7837 | 12.64482 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 269.7837 | 12.64482 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 269.7837 | 12.64482 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 269.7837 | 12.64482 | – |