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 Dec 21 18:53 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 20 18:53 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 19 18:53 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 18 18:53 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 17 18:53 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 16 18:54 | 2024 Dec 15 13:58:46 | 73.9874 | 0.00367 | 14.2378 | 313.3887 | 61.7418 | 12.52374 | – |
| 2024 Dec 14 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 13 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 12 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 11 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 10 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 09 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 08 18:56 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 07 18:57 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 06 18:53 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 05 18:54 | 2024 Dec 05 11:21:48 | 73.9888 | 0.00366 | 15.1395 | 328.2966 | 61.7418 | 12.52374 | – |
| 2024 Dec 04 18:54 | 2024 Nov 29 18:28:53 | 73.9891 | 0.00365 | 15.6483 | 336.7604 | 61.7418 | 12.52374 | – |
| 2024 Dec 03 18:54 | 2024 Nov 29 18:28:53 | 73.9891 | 0.00365 | 15.6483 | 336.7604 | 61.7418 | 12.52374 | – |
| 2024 Dec 02 18:54 | 2024 Nov 29 18:28:53 | 73.9891 | 0.00365 | 15.6483 | 336.7604 | 61.7418 | 12.52374 | – |
| 2024 Dec 01 19:13 | 2024 Nov 29 18:28:53 | 73.9891 | 0.00365 | 15.6483 | 336.7604 | 61.7418 | 12.52374 | – |
| 2024 Nov 30 18:53 | 2024 Nov 29 18:28:53 | 73.9891 | 0.00365 | 15.6483 | 336.7604 | 61.7418 | 12.52374 | – |
| 2024 Nov 29 18:54 | 2024 Nov 24 17:42:42 | 73.9892 | 0.00364 | 16.0971 | 344.2313 | 61.7418 | 12.52374 | – |
| 2024 Nov 28 18:54 | 2024 Nov 24 17:42:42 | 73.9892 | 0.00364 | 16.0971 | 344.2313 | 61.7418 | 12.52374 | – |
| 2024 Nov 27 18:53 | 2024 Nov 24 17:42:42 | 73.9892 | 0.00364 | 16.0971 | 344.2313 | 61.7418 | 12.52374 | – |
| 2024 Nov 26 18:53 | 2024 Nov 24 17:42:42 | 73.9892 | 0.00364 | 16.0971 | 344.2313 | 61.7418 | 12.52374 | – |
| 2024 Nov 25 18:53 | 2024 Nov 24 17:42:42 | 73.9892 | 0.00364 | 16.0971 | 344.2313 | 61.7418 | 12.52374 | – |
| 2024 Nov 24 18:53 | 2024 Nov 19 06:11:12 | 73.9891 | 0.00363 | 16.5860 | 352.3949 | 61.7418 | 12.52374 | – |