Orbital elements of COSMOS 2161
| Launched | 27 September 1991 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 21732 |
| 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 Aug 29 17:56 | 2025 Aug 27 21:27:34 | 82.5748 | 0.00101 | 7.5426 | 284.9537 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 28 17:57 | 2025 Aug 27 21:27:34 | 82.5748 | 0.00101 | 7.5426 | 284.9537 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 27 17:56 | 2025 Aug 23 04:08:31 | 82.5756 | 0.00102 | 7.7446 | 296.7767 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 26 17:56 | 2025 Aug 23 04:08:31 | 82.5756 | 0.00102 | 7.7446 | 296.7767 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 25 17:56 | 2025 Aug 23 04:08:31 | 82.5756 | 0.00102 | 7.7446 | 296.7767 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 24 17:56 | 2025 Aug 23 04:08:31 | 82.5756 | 0.00102 | 7.7446 | 296.7767 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 23 17:56 | 2025 Aug 23 04:08:31 | 82.5756 | 0.00102 | 7.7446 | 296.7767 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:20:30 | 82.5767 | 0.00103 | 7.9689 | 309.8240 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:20:30 | 82.5767 | 0.00103 | 7.9689 | 309.8240 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:20:30 | 82.5767 | 0.00103 | 7.9689 | 309.8240 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 18 17:56 | 2025 Aug 17 22:20:30 | 82.5767 | 0.00103 | 7.9689 | 309.8240 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 16 17:56 | 2025 Aug 12 04:38:03 | 82.5774 | 0.00106 | 8.2143 | 323.6408 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 15 17:57 | 2025 Aug 12 04:38:03 | 82.5774 | 0.00106 | 8.2143 | 323.6408 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 14 17:56 | 2025 Aug 12 04:38:03 | 82.5774 | 0.00106 | 8.2143 | 323.6408 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 13 17:58 | 2025 Aug 12 04:38:03 | 82.5774 | 0.00106 | 8.2143 | 323.6408 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 12 17:56 | 2025 Aug 12 04:38:03 | 82.5774 | 0.00106 | 8.2143 | 323.6408 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 11 17:56 | 2025 Aug 06 20:58:08 | 82.5780 | 0.00108 | 8.4418 | 336.2915 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 10 17:57 | 2025 Aug 06 20:58:08 | 82.5780 | 0.00108 | 8.4418 | 336.2915 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 09 17:56 | 2025 Aug 06 20:58:08 | 82.5780 | 0.00108 | 8.4418 | 336.2915 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 08 17:56 | 2025 Aug 06 20:58:08 | 82.5780 | 0.00108 | 8.4418 | 336.2915 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 07 17:56 | 2025 Aug 06 20:58:08 | 82.5780 | 0.00108 | 8.4418 | 336.2915 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 05 17:56 | 2025 Jul 31 20:41:41 | 82.5784 | 0.00111 | 8.6989 | 350.1054 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 04 17:56 | 2025 Jul 31 20:41:41 | 82.5784 | 0.00111 | 8.6989 | 350.1054 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 03 17:56 | 2025 Jul 31 20:41:41 | 82.5784 | 0.00111 | 8.6989 | 350.1054 | 85.6081 | 12.65268 | 7.543 |
| 2025 Aug 02 17:56 | 2025 Jul 31 20:41:41 | 82.5784 | 0.00111 | 8.6989 | 350.1054 | 85.6081 | 12.65268 | 7.543 |