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 Jul 16 17:53 | 2024 Jul 15 23:03:55 | 73.9890 | 0.00363 | 3.8530 | 184.4625 | 281.4909 | 12.52368 | – |
| 2024 Jul 15 17:53 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 14 17:57 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 13 17:52 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 12 17:53 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 11 17:57 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 10 17:54 | 2024 Jul 09 23:17:37 | 73.9893 | 0.00364 | 4.3875 | 193.4583 | 281.4909 | 12.52368 | – |
| 2024 Jul 09 18:45 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 08 17:53 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 07 17:52 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 06 17:57 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 05 17:52 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 04 17:55 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 03 17:54 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 02 17:52 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jul 01 17:55 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jun 30 17:54 | 2024 Jun 29 23:09:32 | 73.9898 | 0.00366 | 5.2801 | 208.4818 | 281.4909 | 12.52368 | – |
| 2024 Jun 29 17:53 | 2024 Jun 24 20:45:08 | 73.9898 | 0.00366 | 5.7350 | 216.1279 | 281.4909 | 12.52368 | – |
| 2024 Jun 28 17:53 | 2024 Jun 24 20:45:08 | 73.9898 | 0.00366 | 5.7350 | 216.1279 | 281.4909 | 12.52368 | – |
| 2024 Jun 27 17:54 | 2024 Jun 24 20:45:08 | 73.9898 | 0.00366 | 5.7350 | 216.1279 | 281.4909 | 12.52368 | – |
| 2024 Jun 26 17:54 | 2024 Jun 24 20:45:08 | 73.9898 | 0.00366 | 5.7350 | 216.1279 | 281.4909 | 12.52368 | – |
| 2024 Jun 25 17:52 | 2024 Jun 24 20:45:08 | 73.9898 | 0.00366 | 5.7350 | 216.1279 | 281.4909 | 12.52368 | – |
| 2024 Jun 24 17:53 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |
| 2024 Jun 23 17:52 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |
| 2024 Jun 22 17:57 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |
| 2024 Jun 21 17:57 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |
| 2024 Jun 20 17:56 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |
| 2024 Jun 19 17:54 | 2024 Jun 19 12:53:43 | 73.9896 | 0.00367 | 6.2102 | 224.0638 | 281.4909 | 12.52368 | – |