Orbital elements of COSMOS 1577
| Launched | 26 June 1984 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 15077 |
| 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 29 17:57 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 09:14:40 | 82.9564 | 0.00366 | 16.4081 | 145.2592 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 23 17:57 | 2026 Apr 19 04:17:23 | 82.9553 | 0.00363 | 16.6651 | 159.4954 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 22 17:57 | 2026 Apr 19 04:17:23 | 82.9553 | 0.00363 | 16.6651 | 159.4954 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 21 17:57 | 2026 Apr 19 04:17:23 | 82.9553 | 0.00363 | 16.6651 | 159.4954 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 20 17:57 | 2026 Apr 19 04:17:23 | 82.9553 | 0.00363 | 16.6651 | 159.4954 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 19 17:58 | 2026 Apr 19 04:17:23 | 82.9553 | 0.00363 | 16.6651 | 159.4954 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 18 17:56 | 2026 Apr 13 05:09:16 | 82.9546 | 0.00359 | 16.9594 | 175.9873 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 16 17:57 | 2026 Apr 13 05:09:16 | 82.9546 | 0.00359 | 16.9594 | 175.9873 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 14 17:57 | 2026 Apr 13 05:09:16 | 82.9546 | 0.00359 | 16.9594 | 175.9873 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 13 17:57 | 2026 Apr 13 05:09:16 | 82.9546 | 0.00359 | 16.9594 | 175.9873 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 16:08:28 | 82.9538 | 0.00356 | 17.1836 | 188.6786 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 16:08:28 | 82.9538 | 0.00356 | 17.1836 | 188.6786 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 16:08:28 | 82.9538 | 0.00356 | 17.1836 | 188.6786 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 16:08:28 | 82.9538 | 0.00356 | 17.1836 | 188.6786 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 16:08:28 | 82.9538 | 0.00356 | 17.1836 | 188.6786 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |
| 2026 Apr 02 18:03 | 2026 Apr 02 05:33:52 | 82.9529 | 0.00351 | 17.5016 | 206.8612 | 237.9079 | 13.75675 | 6.743 |