Orbital elements of COSMOS 684
| Launched | 18 September 1974 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7442 |
| 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 |
| 2024 Apr 24 17:53 | 2024 Apr 21 21:41:14 | 74.0383 | 0.00330 | 2.5939 | 295.7669 | 131.8020 | 12.55701 | – |
| 2024 Apr 23 17:53 | 2024 Apr 21 21:41:14 | 74.0383 | 0.00330 | 2.5939 | 295.7669 | 131.8020 | 12.55701 | – |
| 2024 Apr 22 17:52 | 2024 Apr 21 21:41:14 | 74.0383 | 0.00330 | 2.5939 | 295.7669 | 131.8020 | 12.55701 | – |
| 2024 Apr 21 17:53 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 20 17:52 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 19 17:53 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 18 17:57 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 17 17:53 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 16 17:53 | 2024 Apr 15 22:17:57 | 74.0374 | 0.00330 | 3.1286 | 304.6725 | 131.8020 | 12.55701 | – |
| 2024 Apr 15 17:54 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 14 17:53 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 13 17:53 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 12 17:53 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 11 17:54 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 10 17:56 | 2024 Apr 10 04:50:12 | 74.0361 | 0.00329 | 3.6413 | 313.2365 | 131.8020 | 12.55701 | – |
| 2024 Apr 09 17:56 | 2024 Apr 05 08:28:06 | 74.0350 | 0.00329 | 4.0753 | 320.4839 | 131.8020 | 12.55701 | – |
| 2024 Apr 08 17:55 | 2024 Apr 05 08:28:06 | 74.0350 | 0.00329 | 4.0753 | 320.4839 | 131.8020 | 12.55701 | – |
| 2024 Apr 07 17:53 | 2024 Apr 05 08:28:06 | 74.0350 | 0.00329 | 4.0753 | 320.4839 | 131.8020 | 12.55701 | – |
| 2024 Apr 06 17:58 | 2024 Apr 05 08:28:06 | 74.0350 | 0.00329 | 4.0753 | 320.4839 | 131.8020 | 12.55701 | – |
| 2024 Apr 05 17:53 | 2024 Apr 05 08:28:06 | 74.0350 | 0.00329 | 4.0753 | 320.4839 | 131.8020 | 12.55701 | – |
| 2024 Apr 04 17:56 | 2024 Mar 30 08:50:53 | 74.0336 | 0.00328 | 4.6110 | 329.4032 | 131.8020 | 12.55701 | – |
| 2024 Apr 03 17:53 | 2024 Mar 30 08:50:53 | 74.0336 | 0.00328 | 4.6110 | 329.4032 | 131.8020 | 12.55701 | – |
| 2024 Apr 02 17:52 | 2024 Mar 30 08:50:53 | 74.0336 | 0.00328 | 4.6110 | 329.4032 | 131.8020 | 12.55701 | – |
| 2024 Apr 01 17:52 | 2024 Mar 30 08:50:53 | 74.0336 | 0.00328 | 4.6110 | 329.4032 | 131.8020 | 12.55701 | – |
| 2024 Mar 31 17:52 | 2024 Mar 30 08:50:53 | 74.0336 | 0.00328 | 4.6110 | 329.4032 | 131.8020 | 12.55701 | – |
| 2024 Mar 30 18:52 | 2024 Mar 24 17:25:38 | 74.0325 | 0.00327 | 5.1161 | 337.8769 | 131.8020 | 12.55701 | – |
| 2024 Mar 29 18:52 | 2024 Mar 24 17:25:38 | 74.0325 | 0.00327 | 5.1161 | 337.8769 | 131.8020 | 12.55701 | – |
| 2024 Mar 28 18:52 | 2024 Mar 24 17:25:38 | 74.0325 | 0.00327 | 5.1161 | 337.8769 | 131.8020 | 12.55701 | – |