Orbital elements of COSMOS 1816
| Launched | 28 January 1987 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 17359 |
| 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 May 10 17:56 | 2025 May 08 23:40:03 | 82.9221 | 0.00312 | 21.6315 | 255.1930 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 09 17:57 | 2025 May 08 23:40:03 | 82.9221 | 0.00312 | 21.6315 | 255.1930 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 08 17:56 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 07 17:56 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 06 17:57 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 05 17:56 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 04 17:57 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 03 17:57 | 2025 May 03 13:58:48 | 82.9231 | 0.00311 | 21.8990 | 270.8914 | 216.8950 | 13.74630 | 6.743 |
| 2025 May 01 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 30 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 29 17:57 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 27 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 26 17:57 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 25 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 24 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 23 17:57 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 22 17:56 | 2025 Apr 22 14:12:25 | 82.9249 | 0.00314 | 22.4430 | 302.8763 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 21 17:57 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 20 17:56 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 19 17:56 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 18 17:57 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 17 17:56 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 16 17:57 | 2025 Apr 15 21:24:17 | 82.9260 | 0.00317 | 22.7745 | 322.1457 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 15 17:56 | 2025 Apr 11 04:33:49 | 82.9271 | 0.00320 | 23.0071 | 335.5180 | 216.8950 | 13.74630 | 6.743 |
| 2025 Apr 14 17:56 | 2025 Apr 11 04:33:49 | 82.9271 | 0.00320 | 23.0071 | 335.5180 | 216.8950 | 13.74630 | 6.743 |