Orbital elements of COSMOS 681
| Launched | 18 September 1974 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7439 |
| 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 Apr 25 17:55 | 2024 Apr 21 21:50:56 | 74.0372 | 0.00041 | 22.5410 | 139.5770 | 351.4123 | 12.49054 | – |
| 2024 Apr 24 17:53 | 2024 Apr 21 21:50:56 | 74.0372 | 0.00041 | 22.5410 | 139.5770 | 351.4123 | 12.49054 | – |
| 2024 Apr 23 17:53 | 2024 Apr 21 21:50:56 | 74.0372 | 0.00041 | 22.5410 | 139.5770 | 351.4123 | 12.49054 | – |
| 2024 Apr 22 17:52 | 2024 Apr 21 21:50:56 | 74.0372 | 0.00041 | 22.5410 | 139.5770 | 351.4123 | 12.49054 | – |
| 2024 Apr 21 17:53 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 20 17:52 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 19 17:53 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 18 17:57 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 17 17:53 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 16 17:53 | 2024 Apr 16 03:22:32 | 74.0380 | 0.00041 | 23.0510 | 149.4750 | 351.4123 | 12.49054 | – |
| 2024 Apr 15 17:54 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 14 17:53 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 13 17:53 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 12 17:53 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 11 17:54 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 10 17:56 | 2024 Apr 09 22:49:03 | 74.0389 | 0.00042 | 23.5982 | 159.4496 | 351.4123 | 12.49054 | – |
| 2024 Apr 09 17:56 | 2024 Apr 04 22:04:08 | 74.0395 | 0.00042 | 0.0429 | 167.6817 | 351.4123 | 12.49054 | – |
| 2024 Apr 08 17:55 | 2024 Apr 04 22:04:08 | 74.0395 | 0.00042 | 0.0429 | 167.6817 | 351.4123 | 12.49054 | – |
| 2024 Apr 07 17:53 | 2024 Apr 04 22:04:08 | 74.0395 | 0.00042 | 0.0429 | 167.6817 | 351.4123 | 12.49054 | – |
| 2024 Apr 06 17:58 | 2024 Apr 04 22:04:08 | 74.0395 | 0.00042 | 0.0429 | 167.6817 | 351.4123 | 12.49054 | – |
| 2024 Apr 05 17:53 | 2024 Apr 04 22:04:08 | 74.0395 | 0.00042 | 0.0429 | 167.6817 | 351.4123 | 12.49054 | – |
| 2024 Apr 04 17:56 | 2024 Mar 31 12:52:40 | 74.0398 | 0.00043 | 0.4303 | 174.6651 | 351.4123 | 12.49054 | – |
| 2024 Apr 03 17:53 | 2024 Mar 31 12:52:40 | 74.0398 | 0.00043 | 0.4303 | 174.6651 | 351.4123 | 12.49054 | – |
| 2024 Apr 02 17:52 | 2024 Mar 31 12:52:40 | 74.0398 | 0.00043 | 0.4303 | 174.6651 | 351.4123 | 12.49054 | – |
| 2024 Apr 01 17:52 | 2024 Mar 31 12:52:40 | 74.0398 | 0.00043 | 0.4303 | 174.6651 | 351.4123 | 12.49054 | – |
| 2024 Mar 31 17:52 | 2024 Mar 31 12:52:40 | 74.0398 | 0.00043 | 0.4303 | 174.6651 | 351.4123 | 12.49054 | – |
| 2024 Mar 30 18:52 | 2024 Mar 25 04:40:54 | 74.0395 | 0.00044 | 0.9908 | 184.4199 | 351.4123 | 12.49054 | – |
| 2024 Mar 29 18:52 | 2024 Mar 25 04:40:54 | 74.0395 | 0.00044 | 0.9908 | 184.4199 | 351.4123 | 12.49054 | – |