| Primary satellite | Secondary satellite |
| Name | Meteor 2-10 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14453 | 38483 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 15:16 | 2021 Mar 01 03:50 |
| Time of closest approach (UTC) | 2021 Jan 22 11:42:08.243 |
| Minimum distance | 40.319 km |
| Height difference | 1.869 km |
| Relative speed | 8.353 km/s |
| Angle between velocity vectors | 68° |
| Geographic position | 73.8°S, 106.8°W |
| Height | 804 km |
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