Orbital elements of COSMOS 646
| Launched | 22 April 1974 |
| Flight ended | – |
| Launch site | Plesetsk Missile and Space Complex, Russia |
| Owner | Commonwealth of Independent States (former USSR) |
| NORAD ID | 7270 |
| 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 Jul 17 17:54 | 2024 Jul 15 17:57:47 | 74.0190 | 0.00515 | 19.4840 | 37.4470 | 79.2295 | 12.55009 | – |
| 2024 Jul 16 17:53 | 2024 Jul 15 17:57:47 | 74.0190 | 0.00515 | 19.4840 | 37.4470 | 79.2295 | 12.55009 | – |
| 2024 Jul 15 17:53 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 14 17:57 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 13 17:52 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 12 17:53 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 11 17:57 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 10 17:54 | 2024 Jul 09 18:29:30 | 74.0194 | 0.00514 | 20.0189 | 46.6133 | 79.2295 | 12.55009 | – |
| 2024 Jul 09 18:45 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 08 17:53 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 07 17:52 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 06 17:57 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 05 17:52 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 04 17:55 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 03 17:54 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 02 17:52 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jul 01 17:55 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jun 30 17:54 | 2024 Jun 29 19:21:53 | 74.0193 | 0.00514 | 20.9105 | 61.9083 | 79.2295 | 12.55009 | – |
| 2024 Jun 29 17:53 | 2024 Jun 24 20:45:03 | 74.0190 | 0.00513 | 21.3529 | 69.4923 | 79.2295 | 12.55009 | – |
| 2024 Jun 28 17:53 | 2024 Jun 24 20:45:03 | 74.0190 | 0.00513 | 21.3529 | 69.4923 | 79.2295 | 12.55009 | – |
| 2024 Jun 27 17:54 | 2024 Jun 24 20:45:03 | 74.0190 | 0.00513 | 21.3529 | 69.4923 | 79.2295 | 12.55009 | – |
| 2024 Jun 26 17:54 | 2024 Jun 24 20:45:03 | 74.0190 | 0.00513 | 21.3529 | 69.4923 | 79.2295 | 12.55009 | – |
| 2024 Jun 25 17:52 | 2024 Jun 24 20:45:03 | 74.0190 | 0.00513 | 21.3529 | 69.4923 | 79.2295 | 12.55009 | – |
| 2024 Jun 24 17:53 | 2024 Jun 19 14:16:11 | 74.0187 | 0.00513 | 21.8245 | 77.5515 | 79.2295 | 12.55009 | – |
| 2024 Jun 23 17:52 | 2024 Jun 19 14:16:11 | 74.0187 | 0.00513 | 21.8245 | 77.5515 | 79.2295 | 12.55009 | – |
| 2024 Jun 22 17:57 | 2024 Jun 19 14:16:11 | 74.0187 | 0.00513 | 21.8245 | 77.5515 | 79.2295 | 12.55009 | – |
| 2024 Jun 21 17:57 | 2024 Jun 19 14:16:11 | 74.0187 | 0.00513 | 21.8245 | 77.5515 | 79.2295 | 12.55009 | – |
| 2024 Jun 20 17:56 | 2024 Jun 19 14:16:11 | 74.0187 | 0.00513 | 21.8245 | 77.5515 | 79.2295 | 12.55009 | – |