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 Jun 30 17:56 | 2025 Jun 28 12:19:21 | 74.0356 | 0.00417 | 6.3861 | 173.6642 | 359.2952 | 12.41794 | – |
| 2025 Jun 29 17:56 | 2025 Jun 28 12:19:21 | 74.0356 | 0.00417 | 6.3861 | 173.6642 | 359.2952 | 12.41794 | – |
| 2025 Jun 28 17:56 | 2025 Jun 28 12:19:21 | 74.0356 | 0.00417 | 6.3861 | 173.6642 | 359.2952 | 12.41794 | – |
| 2025 Jun 27 17:56 | 2025 Jun 22 13:15:25 | 74.0346 | 0.00418 | 6.9060 | 182.5528 | 359.2952 | 12.41794 | – |
| 2025 Jun 26 17:56 | 2025 Jun 22 13:15:25 | 74.0346 | 0.00418 | 6.9060 | 182.5528 | 359.2952 | 12.41794 | – |
| 2025 Jun 25 17:56 | 2025 Jun 22 13:15:25 | 74.0346 | 0.00418 | 6.9060 | 182.5528 | 359.2952 | 12.41794 | – |
| 2025 Jun 24 17:56 | 2025 Jun 22 13:15:25 | 74.0346 | 0.00418 | 6.9060 | 182.5528 | 359.2952 | 12.41794 | – |
| 2025 Jun 23 17:56 | 2025 Jun 22 13:15:25 | 74.0346 | 0.00418 | 6.9060 | 182.5528 | 359.2952 | 12.41794 | – |
| 2025 Jun 22 17:56 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 21 17:56 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 20 17:57 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 19 17:56 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 18 17:56 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 17 17:56 | 2025 Jun 16 08:23:30 | 74.0346 | 0.00419 | 7.4469 | 191.7421 | 359.2952 | 12.41794 | – |
| 2025 Jun 16 17:56 | 2025 Jun 11 21:17:16 | 74.0342 | 0.00420 | 7.8361 | 198.3580 | 359.2952 | 12.41794 | – |
| 2025 Jun 15 17:56 | 2025 Jun 11 21:17:16 | 74.0342 | 0.00420 | 7.8361 | 198.3580 | 359.2952 | 12.41794 | – |
| 2025 Jun 14 17:56 | 2025 Jun 11 21:17:16 | 74.0342 | 0.00420 | 7.8361 | 198.3580 | 359.2952 | 12.41794 | – |
| 2025 Jun 13 17:56 | 2025 Jun 11 21:17:16 | 74.0342 | 0.00420 | 7.8361 | 198.3580 | 359.2952 | 12.41794 | – |
| 2025 Jun 12 17:56 | 2025 Jun 11 21:17:16 | 74.0342 | 0.00420 | 7.8361 | 198.3580 | 359.2952 | 12.41794 | – |
| 2025 Jun 11 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 10 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 09 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 08 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 07 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 06 17:56 | 2025 Jun 05 09:22:04 | 74.0331 | 0.00421 | 8.4027 | 207.9519 | 359.2952 | 12.41794 | – |
| 2025 Jun 05 17:56 | 2025 Jun 01 10:25:30 | 74.0326 | 0.00421 | 8.7477 | 213.7735 | 359.2952 | 12.41794 | – |
| 2025 Jun 04 17:57 | 2025 Jun 01 10:25:30 | 74.0326 | 0.00421 | 8.7477 | 213.7735 | 359.2952 | 12.41794 | – |
| 2025 Jun 03 17:57 | 2025 Jun 01 10:25:30 | 74.0326 | 0.00421 | 8.7477 | 213.7735 | 359.2952 | 12.41794 | – |