Orbital elements of COSMOS 921
| Launched | 23 June 1977 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10095 |
| 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 |
| 2025 May 13 17:56 | 2025 May 09 11:55:38 | 75.8322 | 0.00367 | 12.9188 | 304.3803 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 12 17:56 | 2025 May 09 11:55:38 | 75.8322 | 0.00367 | 12.9188 | 304.3803 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 11 17:56 | 2025 May 09 11:55:38 | 75.8322 | 0.00367 | 12.9188 | 304.3803 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 10 17:56 | 2025 May 09 11:55:38 | 75.8322 | 0.00367 | 12.9188 | 304.3803 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 09 17:57 | 2025 May 09 11:55:38 | 75.8322 | 0.00367 | 12.9188 | 304.3803 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 08 17:56 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 07 17:56 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 06 17:57 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 05 17:56 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 04 17:57 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 03 17:57 | 2025 May 03 14:40:06 | 75.8328 | 0.00366 | 13.6237 | 319.2969 | 55.3922 | 14.95844 | 6.743 |
| 2025 May 01 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 30 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 29 17:57 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 27 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 26 17:57 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 25 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 24 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 22 17:56 | 2025 Apr 22 10:35:34 | 75.8327 | 0.00362 | 14.9614 | 347.8316 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 21 17:57 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 20 17:56 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 19 17:56 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 18 17:57 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 17 17:56 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |
| 2025 Apr 16 17:57 | 2025 Apr 15 19:40:13 | 75.8331 | 0.00360 | 15.7545 | 4.8415 | 55.3922 | 14.95844 | 6.743 |