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 Apr 22 17:57 | 2026 Mar 29 04:43:38 | 69.0843 | 0.54928 | 7.9279 | 52.7684 | 1.3483 | 2.00367 | – |
| 2026 Apr 21 17:57 | 2026 Mar 29 04:43:38 | 69.0843 | 0.54928 | 7.9279 | 52.7684 | 1.3483 | 2.00367 | – |