Orbital elements of COSMOS 1721
| Launched | 8 January 1986 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 16454 |
| 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 |
| 2024 May 07 17:52 | 2024 May 06 20:17:15 | 73.9862 | 0.00369 | 10.1079 | 288.9208 | 244.2332 | 12.52366 | – |
| 2024 May 06 17:52 | 2024 May 01 09:03:58 | 73.9870 | 0.00369 | 10.5957 | 297.0345 | 244.2332 | 12.52366 | – |
| 2024 May 05 17:52 | 2024 May 01 09:03:58 | 73.9870 | 0.00369 | 10.5957 | 297.0345 | 244.2332 | 12.52366 | – |
| 2024 May 04 17:52 | 2024 May 01 09:03:58 | 73.9870 | 0.00369 | 10.5957 | 297.0345 | 244.2332 | 12.52366 | – |
| 2024 May 03 17:52 | 2024 May 01 09:03:58 | 73.9870 | 0.00369 | 10.5957 | 297.0345 | 244.2332 | 12.52366 | – |
| 2024 May 02 17:52 | 2024 May 01 09:03:58 | 73.9870 | 0.00369 | 10.5957 | 297.0345 | 244.2332 | 12.52366 | – |
| 2024 May 01 17:54 | 2024 Apr 27 13:34:57 | 73.9878 | 0.00369 | 10.9357 | 302.6850 | 244.2332 | 12.52366 | – |
| 2024 Apr 30 17:57 | 2024 Apr 27 13:34:57 | 73.9878 | 0.00369 | 10.9357 | 302.6850 | 244.2332 | 12.52366 | – |
| 2024 Apr 29 17:52 | 2024 Apr 27 13:34:57 | 73.9878 | 0.00369 | 10.9357 | 302.6850 | 244.2332 | 12.52366 | – |
| 2024 Apr 28 17:52 | 2024 Apr 27 13:34:57 | 73.9878 | 0.00369 | 10.9357 | 302.6850 | 244.2332 | 12.52366 | – |
| 2024 Apr 27 17:58 | 2024 Apr 27 13:34:57 | 73.9878 | 0.00369 | 10.9357 | 302.6850 | 244.2332 | 12.52366 | – |
| 2024 Apr 26 17:54 | 2024 Apr 22 06:48:50 | 73.9886 | 0.00368 | 11.4069 | 310.5666 | 244.2332 | 12.52366 | – |
| 2024 Apr 25 17:55 | 2024 Apr 22 06:48:50 | 73.9886 | 0.00368 | 11.4069 | 310.5666 | 244.2332 | 12.52366 | – |
| 2024 Apr 24 17:53 | 2024 Apr 22 06:48:50 | 73.9886 | 0.00368 | 11.4069 | 310.5666 | 244.2332 | 12.52366 | – |
| 2024 Apr 23 17:53 | 2024 Apr 22 06:48:50 | 73.9886 | 0.00368 | 11.4069 | 310.5666 | 244.2332 | 12.52366 | – |
| 2024 Apr 22 17:52 | 2024 Apr 22 06:48:50 | 73.9886 | 0.00368 | 11.4069 | 310.5666 | 244.2332 | 12.52366 | – |
| 2024 Apr 21 17:53 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 20 17:52 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 19 17:53 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 18 17:57 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 17 17:53 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 16 17:53 | 2024 Apr 15 16:15:20 | 73.9897 | 0.00367 | 11.9961 | 320.3893 | 244.2332 | 12.52366 | – |
| 2024 Apr 15 17:54 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |
| 2024 Apr 14 17:53 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |
| 2024 Apr 13 17:53 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |
| 2024 Apr 12 17:53 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |
| 2024 Apr 11 17:54 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |
| 2024 Apr 10 17:56 | 2024 Apr 09 11:48:23 | 73.9901 | 0.00366 | 12.5478 | 329.6747 | 244.2332 | 12.52366 | – |