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 |
| 2026 Feb 05 18:58 | 2026 Feb 02 11:06:22 | 82.5782 | 0.00098 | 0.7569 | 283.1752 | 202.7980 | 12.65275 | 7.543 |
| 2026 Feb 04 18:57 | 2026 Feb 02 11:06:22 | 82.5782 | 0.00098 | 0.7569 | 283.1752 | 202.7980 | 12.65275 | 7.543 |
| 2026 Feb 03 18:56 | 2026 Feb 02 11:06:22 | 82.5782 | 0.00098 | 0.7569 | 283.1752 | 202.7980 | 12.65275 | 7.543 |
| 2026 Feb 02 18:56 | 2026 Feb 02 11:06:22 | 82.5782 | 0.00098 | 0.7569 | 283.1752 | 202.7980 | 12.65275 | 7.543 |
| 2026 Feb 01 18:56 | 2026 Jan 27 17:58:16 | 82.5774 | 0.00099 | 1.0014 | 297.4459 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 31 18:56 | 2026 Jan 27 17:58:16 | 82.5774 | 0.00099 | 1.0014 | 297.4459 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 30 18:57 | 2026 Jan 27 17:58:16 | 82.5774 | 0.00099 | 1.0014 | 297.4459 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 29 18:56 | 2026 Jan 27 17:58:16 | 82.5774 | 0.00099 | 1.0014 | 297.4459 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 28 18:56 | 2026 Jan 27 17:58:16 | 82.5774 | 0.00099 | 1.0014 | 297.4459 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 27 18:56 | 2026 Jan 22 11:15:55 | 82.5767 | 0.00101 | 1.2273 | 310.3686 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 26 18:57 | 2026 Jan 22 11:15:55 | 82.5767 | 0.00101 | 1.2273 | 310.3686 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 25 18:57 | 2026 Jan 22 11:15:55 | 82.5767 | 0.00101 | 1.2273 | 310.3686 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 24 18:58 | 2026 Jan 22 11:15:55 | 82.5767 | 0.00101 | 1.2273 | 310.3686 | 202.7980 | 12.65275 | 7.543 |
| 2026 Jan 22 18:56 | 2026 Jan 22 11:15:55 | 82.5767 | 0.00101 | 1.2273 | 310.3686 | 202.7980 | 12.65275 | 7.543 |