Orbital elements of COSMOS 977
| Launched | 9 January 1978 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 10584 |
| 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 03 17:52 | 2024 May 01 19:11:23 | 74.0298 | 0.00411 | 20.4610 | 207.3893 | 164.3352 | 12.57969 | – |
| 2024 May 02 17:52 | 2024 May 01 19:11:23 | 74.0298 | 0.00411 | 20.4610 | 207.3893 | 164.3352 | 12.57969 | – |
| 2024 May 01 17:54 | 2024 Apr 27 14:16:51 | 74.0301 | 0.00411 | 20.8392 | 213.7679 | 164.3352 | 12.57969 | – |
| 2024 Apr 30 17:57 | 2024 Apr 27 14:16:51 | 74.0301 | 0.00411 | 20.8392 | 213.7679 | 164.3352 | 12.57969 | – |
| 2024 Apr 29 17:52 | 2024 Apr 27 14:16:51 | 74.0301 | 0.00411 | 20.8392 | 213.7679 | 164.3352 | 12.57969 | – |
| 2024 Apr 28 17:52 | 2024 Apr 27 14:16:51 | 74.0301 | 0.00411 | 20.8392 | 213.7679 | 164.3352 | 12.57969 | – |
| 2024 Apr 27 17:58 | 2024 Apr 27 14:16:51 | 74.0301 | 0.00411 | 20.8392 | 213.7679 | 164.3352 | 12.57969 | – |
| 2024 Apr 26 17:54 | 2024 Apr 22 00:59:07 | 74.0307 | 0.00412 | 21.3386 | 222.1779 | 164.3352 | 12.57969 | – |
| 2024 Apr 25 17:55 | 2024 Apr 22 00:59:07 | 74.0307 | 0.00412 | 21.3386 | 222.1779 | 164.3352 | 12.57969 | – |
| 2024 Apr 24 17:53 | 2024 Apr 22 00:59:07 | 74.0307 | 0.00412 | 21.3386 | 222.1779 | 164.3352 | 12.57969 | – |
| 2024 Apr 23 17:53 | 2024 Apr 22 00:59:07 | 74.0307 | 0.00412 | 21.3386 | 222.1779 | 164.3352 | 12.57969 | – |
| 2024 Apr 22 17:52 | 2024 Apr 22 00:59:07 | 74.0307 | 0.00412 | 21.3386 | 222.1779 | 164.3352 | 12.57969 | – |
| 2024 Apr 21 17:53 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 20 17:52 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 19 17:53 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 18 17:57 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 17 17:53 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 16 17:53 | 2024 Apr 15 21:29:33 | 74.0318 | 0.00413 | 21.8912 | 231.4962 | 164.3352 | 12.57969 | – |
| 2024 Apr 15 17:54 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 14 17:53 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 13 17:53 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 12 17:53 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 11 17:54 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 10 17:56 | 2024 Apr 10 10:40:12 | 74.0330 | 0.00413 | 22.3813 | 239.6877 | 164.3352 | 12.57969 | – |
| 2024 Apr 09 17:56 | 2024 Apr 04 22:06:38 | 74.0340 | 0.00414 | 22.8779 | 248.0485 | 164.3352 | 12.57969 | – |
| 2024 Apr 08 17:55 | 2024 Apr 04 22:06:38 | 74.0340 | 0.00414 | 22.8779 | 248.0485 | 164.3352 | 12.57969 | – |
| 2024 Apr 07 17:53 | 2024 Apr 04 22:06:38 | 74.0340 | 0.00414 | 22.8779 | 248.0485 | 164.3352 | 12.57969 | – |
| 2024 Apr 06 17:58 | 2024 Apr 04 22:06:38 | 74.0340 | 0.00414 | 22.8779 | 248.0485 | 164.3352 | 12.57969 | – |