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 Dec 04 18:57 | 2025 Dec 02 10:49:16 | 56.0626 | 0.00878 | 0.7484 | 182.6508 | 282.6421 | 12.48865 | – |
| 2025 Dec 03 18:56 | 2025 Dec 02 10:49:16 | 56.0626 | 0.00878 | 0.7484 | 182.6508 | 282.6421 | 12.48865 | – |
| 2025 Dec 02 18:56 | 2025 Dec 02 10:49:16 | 56.0626 | 0.00878 | 0.7484 | 182.6508 | 282.6421 | 12.48865 | – |
| 2025 Nov 30 18:57 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 29 18:56 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 28 18:57 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 27 18:57 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 26 18:57 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 25 18:57 | 2025 Nov 25 11:11:17 | 56.0623 | 0.00882 | 2.0023 | 173.2393 | 282.6421 | 12.48865 | – |
| 2025 Nov 24 18:56 | 2025 Nov 20 06:26:25 | 56.0622 | 0.00884 | 2.9354 | 166.2771 | 282.6421 | 12.48865 | – |
| 2025 Nov 23 18:57 | 2025 Nov 20 06:26:25 | 56.0622 | 0.00884 | 2.9354 | 166.2771 | 282.6421 | 12.48865 | – |
| 2025 Nov 21 18:57 | 2025 Nov 20 06:26:25 | 56.0622 | 0.00884 | 2.9354 | 166.2771 | 282.6421 | 12.48865 | – |
| 2025 Nov 20 18:56 | 2025 Nov 20 06:26:25 | 56.0622 | 0.00884 | 2.9354 | 166.2771 | 282.6421 | 12.48865 | – |
| 2025 Nov 18 18:57 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 16 18:58 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 15 18:57 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 13 18:56 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 12 18:57 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 11 18:55 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 10 18:57 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 09 18:57 | 2025 Nov 08 20:26:24 | 56.0603 | 0.00890 | 4.9850 | 150.9993 | 282.6421 | 12.48865 | – |
| 2025 Nov 08 18:56 | 2025 Nov 02 03:02:49 | 56.0584 | 0.00893 | 6.1923 | 142.0696 | 282.6421 | 12.48865 | – |
| 2025 Nov 07 18:57 | 2025 Nov 02 03:02:49 | 56.0584 | 0.00893 | 6.1923 | 142.0696 | 282.6421 | 12.48865 | – |