Orbital elements of COSMOS 1684
| Launched | 23 September 1985 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 16064 |
| 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 Jan 14 18:56 | 2025 Jan 06 07:08:14 | 67.3382 | 0.50565 | 7.2568 | 107.3166 | 312.2683 | 2.00348 | – |
| 2025 Jan 13 18:56 | 2025 Jan 06 07:08:14 | 67.3382 | 0.50565 | 7.2568 | 107.3166 | 312.2683 | 2.00348 | – |
| 2025 Jan 12 18:55 | 2025 Jan 06 07:08:14 | 67.3382 | 0.50565 | 7.2568 | 107.3166 | 312.2683 | 2.00348 | – |
| 2025 Jan 11 18:54 | 2025 Jan 03 19:14:25 | 67.3374 | 0.50561 | 7.2649 | 107.3741 | 312.2683 | 2.00348 | – |
| 2025 Jan 10 19:20 | 2025 Jan 03 19:14:25 | 67.3374 | 0.50561 | 7.2649 | 107.3741 | 312.2683 | 2.00348 | – |
| 2025 Jan 09 18:54 | 2025 Jan 03 19:14:25 | 67.3374 | 0.50561 | 7.2649 | 107.3741 | 312.2683 | 2.00348 | – |
| 2025 Jan 08 18:53 | 2025 Jan 03 19:14:25 | 67.3374 | 0.50561 | 7.2649 | 107.3741 | 312.2683 | 2.00348 | – |
| 2025 Jan 07 18:54 | 2025 Jan 03 19:14:25 | 67.3374 | 0.50561 | 7.2649 | 107.3741 | 312.2683 | 2.00348 | – |
| 2025 Jan 06 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2025 Jan 05 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2025 Jan 04 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2025 Jan 03 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2025 Jan 02 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2025 Jan 01 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 31 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 30 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 29 20:34 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 28 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 27 18:53 | 2024 Dec 26 19:33:55 | 67.3311 | 0.50549 | 7.2907 | 107.5607 | 312.2683 | 2.00348 | – |
| 2024 Dec 26 18:53 | 2024 Dec 21 07:47:10 | 67.3281 | 0.50541 | 7.3084 | 107.6884 | 312.2683 | 2.00348 | – |
| 2024 Dec 25 18:53 | 2024 Dec 21 07:47:10 | 67.3281 | 0.50541 | 7.3084 | 107.6884 | 312.2683 | 2.00348 | – |
| 2024 Dec 24 18:53 | 2024 Dec 21 07:47:10 | 67.3281 | 0.50541 | 7.3084 | 107.6884 | 312.2683 | 2.00348 | – |
| 2024 Dec 23 19:54 | 2024 Dec 21 07:47:10 | 67.3281 | 0.50541 | 7.3084 | 107.6884 | 312.2683 | 2.00348 | – |
| 2024 Dec 22 18:53 | 2024 Dec 21 07:47:10 | 67.3281 | 0.50541 | 7.3084 | 107.6884 | 312.2683 | 2.00348 | – |
| 2024 Dec 21 18:53 | 2024 Dec 15 08:01:25 | 67.3245 | 0.50532 | 7.3278 | 107.8295 | 312.2683 | 2.00348 | – |
| 2024 Dec 20 18:53 | 2024 Dec 15 08:01:25 | 67.3245 | 0.50532 | 7.3278 | 107.8295 | 312.2683 | 2.00348 | – |
| 2024 Dec 19 18:53 | 2024 Dec 15 08:01:25 | 67.3245 | 0.50532 | 7.3278 | 107.8295 | 312.2683 | 2.00348 | – |
| 2024 Dec 18 18:53 | 2024 Dec 15 08:01:25 | 67.3245 | 0.50532 | 7.3278 | 107.8295 | 312.2683 | 2.00348 | – |