Orbital elements of COSMOS 1690
| Launched | 8 October 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 16138 |
| 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 Apr 30 17:56 | 2026 Apr 30 09:40:43 | 82.6062 | 0.00223 | 16.7760 | 45.9769 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 29 17:57 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 28 17:56 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 27 17:58 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 26 17:58 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 25 17:58 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 24 17:59 | 2026 Apr 24 11:28:31 | 82.6053 | 0.00225 | 17.0289 | 59.0428 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 23 17:57 | 2026 Apr 19 11:59:43 | 82.6044 | 0.00226 | 17.2414 | 69.9123 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 22 17:57 | 2026 Apr 19 11:59:43 | 82.6044 | 0.00226 | 17.2414 | 69.9123 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 21 17:57 | 2026 Apr 19 11:59:43 | 82.6044 | 0.00226 | 17.2414 | 69.9123 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 20 17:57 | 2026 Apr 19 11:59:43 | 82.6044 | 0.00226 | 17.2414 | 69.9123 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 19 17:58 | 2026 Apr 19 11:59:43 | 82.6044 | 0.00226 | 17.2414 | 69.9123 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 18 17:56 | 2026 Apr 13 04:51:16 | 82.6036 | 0.00227 | 17.5102 | 83.5935 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 16 17:57 | 2026 Apr 13 04:51:16 | 82.6036 | 0.00227 | 17.5102 | 83.5935 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 14 17:57 | 2026 Apr 13 04:51:16 | 82.6036 | 0.00227 | 17.5102 | 83.5935 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 13 17:57 | 2026 Apr 13 04:51:16 | 82.6036 | 0.00227 | 17.5102 | 83.5935 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 12 17:57 | 2026 Apr 08 10:17:55 | 82.6031 | 0.00227 | 17.7140 | 93.9324 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 11 17:57 | 2026 Apr 08 10:17:55 | 82.6031 | 0.00227 | 17.7140 | 93.9324 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 10 17:58 | 2026 Apr 08 10:17:55 | 82.6031 | 0.00227 | 17.7140 | 93.9324 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 09 18:01 | 2026 Apr 08 10:17:55 | 82.6031 | 0.00227 | 17.7140 | 93.9324 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 08 17:57 | 2026 Apr 08 10:17:55 | 82.6031 | 0.00227 | 17.7140 | 93.9324 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 07 17:57 | 2026 Apr 02 05:13:38 | 82.6024 | 0.00227 | 17.9793 | 107.4125 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 06 17:57 | 2026 Apr 02 05:13:38 | 82.6024 | 0.00227 | 17.9793 | 107.4125 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 05 17:56 | 2026 Apr 02 05:13:38 | 82.6024 | 0.00227 | 17.9793 | 107.4125 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 04 17:57 | 2026 Apr 02 05:13:38 | 82.6024 | 0.00227 | 17.9793 | 107.4125 | 9.6687 | 12.66105 | 8.243 |
| 2026 Apr 03 17:56 | 2026 Apr 02 05:13:38 | 82.6024 | 0.00227 | 17.9793 | 107.4125 | 9.6687 | 12.66105 | 8.243 |