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 Jun 23 17:56 | 2026 Jun 22 11:06:12 | 82.9560 | 0.00352 | 13.4939 | 344.1735 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 22 17:56 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 21 17:57 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 20 17:56 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 19 17:57 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 18 17:56 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 17 17:57 | 2026 Jun 17 12:25:02 | 82.9566 | 0.00356 | 13.7378 | 358.0795 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 16 17:55 | 2026 Jun 12 06:30:54 | 82.9569 | 0.00359 | 13.9966 | 12.7126 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 15 17:56 | 2026 Jun 12 06:30:54 | 82.9569 | 0.00359 | 13.9966 | 12.7126 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 14 17:57 | 2026 Jun 12 06:30:54 | 82.9569 | 0.00359 | 13.9966 | 12.7126 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 13 17:56 | 2026 Jun 12 06:30:54 | 82.9569 | 0.00359 | 13.9966 | 12.7126 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 12 17:56 | 2026 Jun 12 06:30:54 | 82.9569 | 0.00359 | 13.9966 | 12.7126 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 11 17:57 | 2026 Jun 06 16:18:17 | 82.9574 | 0.00363 | 14.2725 | 28.1596 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 10 17:56 | 2026 Jun 06 16:18:17 | 82.9574 | 0.00363 | 14.2725 | 28.1596 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 09 17:57 | 2026 Jun 06 16:18:17 | 82.9574 | 0.00363 | 14.2725 | 28.1596 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 08 17:56 | 2026 Jun 06 16:18:17 | 82.9574 | 0.00363 | 14.2725 | 28.1596 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 07 17:56 | 2026 Jun 06 16:18:17 | 82.9574 | 0.00363 | 14.2725 | 28.1596 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 06 17:56 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 05 17:56 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 04 17:57 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 02 17:56 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 Jun 01 17:57 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 May 31 17:58 | 2026 May 31 06:26:46 | 82.9579 | 0.00367 | 14.5887 | 45.6926 | 131.2958 | 13.75679 | 6.743 |
| 2026 May 30 17:57 | 2026 May 26 07:46:32 | 82.9583 | 0.00369 | 14.8326 | 59.1152 | 131.2958 | 13.75679 | 6.743 |
| 2026 May 29 17:57 | 2026 May 26 07:46:32 | 82.9583 | 0.00369 | 14.8326 | 59.1152 | 131.2958 | 13.75679 | 6.743 |
| 2026 May 28 17:56 | 2026 May 26 07:46:32 | 82.9583 | 0.00369 | 14.8326 | 59.1152 | 131.2958 | 13.75679 | 6.743 |
| 2026 May 27 17:57 | 2026 May 26 07:46:32 | 82.9583 | 0.00369 | 14.8326 | 59.1152 | 131.2958 | 13.75679 | 6.743 |