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 |
| 2026 May 04 17:57 | 2026 Apr 30 14:06:13 | 82.9247 | 0.00322 | 3.9850 | 344.5402 | 188.5905 | 13.74641 | 6.743 |
| 2026 May 03 17:57 | 2026 Apr 30 14:06:13 | 82.9247 | 0.00322 | 3.9850 | 344.5402 | 188.5905 | 13.74641 | 6.743 |
| 2026 May 02 17:57 | 2026 Apr 30 14:06:13 | 82.9247 | 0.00322 | 3.9850 | 344.5402 | 188.5905 | 13.74641 | 6.743 |
| 2026 May 01 17:56 | 2026 Apr 30 14:06:13 | 82.9247 | 0.00322 | 3.9850 | 344.5402 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 30 17:56 | 2026 Apr 30 14:06:13 | 82.9247 | 0.00322 | 3.9850 | 344.5402 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 29 17:57 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 28 17:56 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 27 17:58 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 26 17:58 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 25 17:58 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 24 17:59 | 2026 Apr 24 07:49:48 | 82.9237 | 0.00326 | 4.2948 | 2.0653 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 23 17:57 | 2026 Apr 19 08:59:41 | 82.9228 | 0.00330 | 4.5399 | 15.6711 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 22 17:57 | 2026 Apr 19 08:59:41 | 82.9228 | 0.00330 | 4.5399 | 15.6711 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 21 17:57 | 2026 Apr 19 08:59:41 | 82.9228 | 0.00330 | 4.5399 | 15.6711 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 20 17:57 | 2026 Apr 19 08:59:41 | 82.9228 | 0.00330 | 4.5399 | 15.6711 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 19 17:58 | 2026 Apr 19 08:59:41 | 82.9228 | 0.00330 | 4.5399 | 15.6711 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 18 17:56 | 2026 Apr 13 03:48:25 | 82.9216 | 0.00333 | 4.8476 | 32.6952 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 16 17:57 | 2026 Apr 13 03:48:25 | 82.9216 | 0.00333 | 4.8476 | 32.6952 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 14 17:57 | 2026 Apr 13 03:48:25 | 82.9216 | 0.00333 | 4.8476 | 32.6952 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 13 17:57 | 2026 Apr 13 03:48:25 | 82.9216 | 0.00333 | 4.8476 | 32.6952 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 12 17:57 | 2026 Apr 08 10:45:58 | 82.9209 | 0.00336 | 5.0807 | 45.4289 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 11 17:57 | 2026 Apr 08 10:45:58 | 82.9209 | 0.00336 | 5.0807 | 45.4289 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 10 17:58 | 2026 Apr 08 10:45:58 | 82.9209 | 0.00336 | 5.0807 | 45.4289 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 09 18:01 | 2026 Apr 08 10:45:58 | 82.9209 | 0.00336 | 5.0807 | 45.4289 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 08 17:57 | 2026 Apr 08 10:45:58 | 82.9209 | 0.00336 | 5.0807 | 45.4289 | 188.5905 | 13.74641 | 6.743 |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:46:42 | 82.9201 | 0.00338 | 5.3881 | 62.1420 | 188.5905 | 13.74641 | 6.743 |