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 01 17:56 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 266.5949 | 12.64482 | – |
| 2026 Apr 30 17:56 | 2026 Apr 30 10:36:35 | 82.6070 | 0.00111 | 7.1300 | 248.3243 | 266.5949 | 12.64482 | – |
| 2026 Apr 29 17:57 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 28 17:56 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 27 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 26 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 25 17:58 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 24 17:59 | 2026 Apr 24 12:01:54 | 82.6066 | 0.00110 | 7.3827 | 263.1662 | 266.5949 | 12.64482 | – |
| 2026 Apr 23 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 266.5949 | 12.64482 | – |
| 2026 Apr 22 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 266.5949 | 12.64482 | – |
| 2026 Apr 21 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 266.5949 | 12.64482 | – |
| 2026 Apr 20 17:57 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 266.5949 | 12.64482 | – |
| 2026 Apr 19 17:58 | 2026 Apr 19 12:21:15 | 82.6067 | 0.00110 | 7.5948 | 275.6600 | 266.5949 | 12.64482 | – |
| 2026 Apr 18 17:56 | 2026 Apr 13 07:40:19 | 82.6069 | 0.00111 | 7.8583 | 291.1092 | 266.5949 | 12.64482 | – |
| 2026 Apr 16 17:57 | 2026 Apr 13 07:40:19 | 82.6069 | 0.00111 | 7.8583 | 291.1092 | 266.5949 | 12.64482 | – |
| 2026 Apr 14 17:57 | 2026 Apr 13 07:40:19 | 82.6069 | 0.00111 | 7.8583 | 291.1092 | 266.5949 | 12.64482 | – |
| 2026 Apr 13 17:57 | 2026 Apr 13 07:40:19 | 82.6069 | 0.00111 | 7.8583 | 291.1092 | 266.5949 | 12.64482 | – |
| 2026 Apr 12 17:57 | 2026 Apr 08 14:18:57 | 82.6072 | 0.00112 | 8.0592 | 302.8174 | 266.5949 | 12.64482 | – |
| 2026 Apr 11 17:57 | 2026 Apr 08 14:18:57 | 82.6072 | 0.00112 | 8.0592 | 302.8174 | 266.5949 | 12.64482 | – |
| 2026 Apr 10 17:58 | 2026 Apr 08 14:18:57 | 82.6072 | 0.00112 | 8.0592 | 302.8174 | 266.5949 | 12.64482 | – |
| 2026 Apr 09 18:01 | 2026 Apr 08 14:18:57 | 82.6072 | 0.00112 | 8.0592 | 302.8174 | 266.5949 | 12.64482 | – |
| 2026 Apr 08 17:57 | 2026 Apr 08 14:18:57 | 82.6072 | 0.00112 | 8.0592 | 302.8174 | 266.5949 | 12.64482 | – |
| 2026 Apr 07 17:57 | 2026 Apr 02 07:43:18 | 82.6081 | 0.00114 | 8.3261 | 318.0132 | 266.5949 | 12.64482 | – |
| 2026 Apr 06 17:57 | 2026 Apr 02 07:43:18 | 82.6081 | 0.00114 | 8.3261 | 318.0132 | 266.5949 | 12.64482 | – |
| 2026 Apr 05 17:56 | 2026 Apr 02 07:43:18 | 82.6081 | 0.00114 | 8.3261 | 318.0132 | 266.5949 | 12.64482 | – |
| 2026 Apr 04 17:57 | 2026 Apr 02 07:43:18 | 82.6081 | 0.00114 | 8.3261 | 318.0132 | 266.5949 | 12.64482 | – |