Orbital elements of COSMOS 81
| Launched | 2 September 1965 |
| Flight ended | – |
| Launch site | Tyuratam Missile and Space Center, Kazakhstan (Also known as Baikonur Cosmodrome) |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 1571 |
| 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 |
| 2025 Jun 30 17:56 | 2025 Jun 28 02:00:04 | 56.0613 | 0.00871 | 5.0011 | 333.6201 | 170.2692 | 12.48863 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 02:00:04 | 56.0613 | 0.00871 | 5.0011 | 333.6201 | 170.2692 | 12.48863 | – |
| 2025 Jun 28 17:56 | 2025 Jun 28 02:00:04 | 56.0613 | 0.00871 | 5.0011 | 333.6201 | 170.2692 | 12.48863 | – |
| 2025 Jun 27 17:56 | 2025 Jun 23 12:38:23 | 56.0608 | 0.00869 | 5.8191 | 327.4006 | 170.2692 | 12.48863 | – |
| 2025 Jun 26 17:56 | 2025 Jun 23 12:38:23 | 56.0608 | 0.00869 | 5.8191 | 327.4006 | 170.2692 | 12.48863 | – |
| 2025 Jun 25 17:56 | 2025 Jun 23 12:38:23 | 56.0608 | 0.00869 | 5.8191 | 327.4006 | 170.2692 | 12.48863 | – |
| 2025 Jun 24 17:56 | 2025 Jun 23 12:38:23 | 56.0608 | 0.00869 | 5.8191 | 327.4006 | 170.2692 | 12.48863 | – |
| 2025 Jun 23 17:56 | 2025 Jun 23 12:38:23 | 56.0608 | 0.00869 | 5.8191 | 327.4006 | 170.2692 | 12.48863 | – |
| 2025 Jun 22 17:56 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 21 17:56 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 20 17:57 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 19 17:56 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 18 17:56 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 17 17:56 | 2025 Jun 17 02:40:07 | 56.0598 | 0.00867 | 6.9708 | 318.6460 | 170.2692 | 12.48863 | – |
| 2025 Jun 16 17:56 | 2025 Jun 12 01:32:47 | 56.0590 | 0.00865 | 7.8769 | 311.7309 | 170.2692 | 12.48863 | – |
| 2025 Jun 15 17:56 | 2025 Jun 12 01:32:47 | 56.0590 | 0.00865 | 7.8769 | 311.7309 | 170.2692 | 12.48863 | – |
| 2025 Jun 14 17:56 | 2025 Jun 12 01:32:47 | 56.0590 | 0.00865 | 7.8769 | 311.7309 | 170.2692 | 12.48863 | – |
| 2025 Jun 13 17:56 | 2025 Jun 12 01:32:47 | 56.0590 | 0.00865 | 7.8769 | 311.7309 | 170.2692 | 12.48863 | – |
| 2025 Jun 12 17:56 | 2025 Jun 12 01:32:47 | 56.0590 | 0.00865 | 7.8769 | 311.7309 | 170.2692 | 12.48863 | – |
| 2025 Jun 11 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 10 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 09 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 08 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 07 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 08:25:22 | 56.0579 | 0.00864 | 9.0821 | 302.5045 | 170.2692 | 12.48863 | – |
| 2025 Jun 05 17:56 | 2025 Jun 01 08:10:32 | 56.0574 | 0.00863 | 9.8021 | 296.9921 | 170.2692 | 12.48863 | – |
| 2025 Jun 04 17:57 | 2025 Jun 01 08:10:32 | 56.0574 | 0.00863 | 9.8021 | 296.9921 | 170.2692 | 12.48863 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 08:10:32 | 56.0574 | 0.00863 | 9.8021 | 296.9921 | 170.2692 | 12.48863 | – |