Orbital elements of COSMOS 678
| Launched | 18 September 1974 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7436 |
| 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 Sep 12 17:57 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 11 17:57 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 10 17:56 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 08 17:57 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 07 17:56 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 06 20:41 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 03 17:57 | 2025 Sep 03 03:11:29 | 74.0390 | 0.00412 | 0.5756 | 73.9345 | 100.4277 | 12.41795 | – |
| 2025 Sep 02 17:56 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Sep 01 17:56 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Aug 31 17:56 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Aug 30 17:56 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Aug 29 17:56 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Aug 28 17:57 | 2025 Aug 27 20:04:54 | 74.0380 | 0.00412 | 1.1246 | 83.4086 | 100.4277 | 12.41795 | – |
| 2025 Aug 27 17:56 | 2025 Aug 22 15:47:32 | 74.0370 | 0.00413 | 1.5763 | 91.1841 | 100.4277 | 12.41795 | – |
| 2025 Aug 26 17:56 | 2025 Aug 22 15:47:32 | 74.0370 | 0.00413 | 1.5763 | 91.1841 | 100.4277 | 12.41795 | – |
| 2025 Aug 25 17:56 | 2025 Aug 22 15:47:32 | 74.0370 | 0.00413 | 1.5763 | 91.1841 | 100.4277 | 12.41795 | – |
| 2025 Aug 24 17:56 | 2025 Aug 22 15:47:32 | 74.0370 | 0.00413 | 1.5763 | 91.1841 | 100.4277 | 12.41795 | – |
| 2025 Aug 23 17:56 | 2025 Aug 22 15:47:32 | 74.0370 | 0.00413 | 1.5763 | 91.1841 | 100.4277 | 12.41795 | – |
| 2025 Aug 22 17:56 | 2025 Aug 17 22:18:39 | 74.0361 | 0.00413 | 1.9887 | 98.2719 | 100.4277 | 12.41795 | – |
| 2025 Aug 20 17:56 | 2025 Aug 17 22:18:39 | 74.0361 | 0.00413 | 1.9887 | 98.2719 | 100.4277 | 12.41795 | – |
| 2025 Aug 19 17:56 | 2025 Aug 17 22:18:39 | 74.0361 | 0.00413 | 1.9887 | 98.2719 | 100.4277 | 12.41795 | – |
| 2025 Aug 18 17:56 | 2025 Aug 17 22:18:39 | 74.0361 | 0.00413 | 1.9887 | 98.2719 | 100.4277 | 12.41795 | – |