Orbital elements of COSMOS 1977
| Launched | 24 October 1988 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 19608 |
| 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 |
| 2026 Mar 12 18:57 | 2026 Mar 05 07:57:38 | 69.0765 | 0.54801 | 8.0071 | 53.3365 | 68.3174 | 2.00334 | – |
| 2026 Mar 11 18:56 | 2026 Mar 05 07:57:38 | 69.0765 | 0.54801 | 8.0071 | 53.3365 | 68.3174 | 2.00334 | – |
| 2026 Mar 10 18:56 | 2026 Mar 05 07:57:38 | 69.0765 | 0.54801 | 8.0071 | 53.3365 | 68.3174 | 2.00334 | – |
| 2026 Mar 09 18:56 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 08 18:57 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 07 18:57 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 06 18:56 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 05 18:56 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 04 18:57 | 2026 Mar 04 07:58:38 | 69.0762 | 0.54796 | 8.0104 | 53.3602 | 68.3174 | 2.00334 | – |
| 2026 Mar 03 18:56 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |
| 2026 Mar 02 18:57 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |
| 2026 Mar 01 18:57 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |
| 2026 Feb 28 18:56 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |
| 2026 Feb 27 19:05 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |
| 2026 Feb 26 20:45 | 2026 Feb 26 05:35:21 | 69.0748 | 0.54762 | 8.0307 | 53.5027 | 68.3174 | 2.00334 | – |