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 Dec 05 18:57 | 2025 Dec 02 11:40:47 | 82.9232 | 0.00333 | 11.3636 | 39.1766 | 336.4550 | 13.74621 | 6.743 |
| 2025 Dec 04 18:57 | 2025 Dec 02 11:40:47 | 82.9232 | 0.00333 | 11.3636 | 39.1766 | 336.4550 | 13.74621 | 6.743 |
| 2025 Dec 03 18:56 | 2025 Dec 02 11:40:47 | 82.9232 | 0.00333 | 11.3636 | 39.1766 | 336.4550 | 13.74621 | 6.743 |
| 2025 Dec 02 18:56 | 2025 Dec 02 11:40:47 | 82.9232 | 0.00333 | 11.3636 | 39.1766 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 30 18:57 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 29 18:56 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 28 18:57 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 27 18:57 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 26 18:57 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 25 18:57 | 2025 Nov 25 12:12:56 | 82.9236 | 0.00336 | 11.7088 | 58.0067 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 24 18:56 | 2025 Nov 20 03:11:35 | 82.9241 | 0.00337 | 11.9747 | 72.4482 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 23 18:57 | 2025 Nov 20 03:11:35 | 82.9241 | 0.00337 | 11.9747 | 72.4482 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 21 18:57 | 2025 Nov 20 03:11:35 | 82.9241 | 0.00337 | 11.9747 | 72.4482 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 20 18:56 | 2025 Nov 20 03:11:35 | 82.9241 | 0.00337 | 11.9747 | 72.4482 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 18 18:57 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 16 18:58 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 15 18:57 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 13 18:56 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 12 18:57 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 11 18:55 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 10 18:57 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 09 18:57 | 2025 Nov 08 14:44:51 | 82.9259 | 0.00337 | 12.5445 | 103.2470 | 336.4550 | 13.74621 | 6.743 |
| 2025 Nov 08 18:56 | 2025 Nov 02 10:57:49 | 82.9264 | 0.00336 | 12.8490 | 119.7191 | 336.4550 | 13.74621 | 6.743 |