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 Jul 26 17:56 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 25 17:57 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 24 17:56 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 23 17:57 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 22 17:57 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 21 17:57 | 2026 Jul 20 22:50:05 | 82.9243 | 0.00337 | 23.9583 | 114.4482 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 20 17:57 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 19 19:06 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 19 17:57 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 18 17:57 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 17 17:57 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 16 17:56 | 2026 Jul 16 05:34:27 | 82.9238 | 0.00336 | 0.1919 | 127.1213 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 15 17:57 | 2026 Jul 11 13:14:13 | 82.9239 | 0.00334 | 0.4235 | 139.6852 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 14 17:56 | 2026 Jul 11 13:14:13 | 82.9239 | 0.00334 | 0.4235 | 139.6852 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 13 17:56 | 2026 Jul 11 13:14:13 | 82.9239 | 0.00334 | 0.4235 | 139.6852 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 12 17:56 | 2026 Jul 11 13:14:13 | 82.9239 | 0.00334 | 0.4235 | 139.6852 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 11 17:56 | 2026 Jul 11 13:14:13 | 82.9239 | 0.00334 | 0.4235 | 139.6852 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 09 17:56 | 2026 Jul 05 00:29:19 | 82.9237 | 0.00330 | 0.7469 | 157.4578 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 08 17:56 | 2026 Jul 05 00:29:19 | 82.9237 | 0.00330 | 0.7469 | 157.4578 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 07 17:56 | 2026 Jul 05 00:29:19 | 82.9237 | 0.00330 | 0.7469 | 157.4578 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 06 17:57 | 2026 Jul 05 00:29:19 | 82.9237 | 0.00330 | 0.7469 | 157.4578 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 05 17:56 | 2026 Jul 05 00:29:19 | 82.9237 | 0.00330 | 0.7469 | 157.4578 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 04 17:56 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 03 17:57 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 02 17:56 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jul 01 17:56 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jun 30 17:56 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |
| 2026 Jun 29 17:57 | 2026 Jun 29 13:02:54 | 82.9235 | 0.00326 | 1.0180 | 172.5625 | 359.0050 | 13.74649 | 6.743 |