| Primary satellite | Secondary satellite |
| Name | Meteor 2-10 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14453 | 40810 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 15:16 | 2021 Mar 01 09:36 |
| Time of closest approach (UTC) | 2021 Jan 22 19:59:33.205 |
| Minimum distance | 23.535 km |
| Height difference | 2.790 km |
| Relative speed | 4.235 km/s |
| Angle between velocity vectors | 33° |
| Geographic position | 72.0°S, 8.7°E |
| Height | 775 km |
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