| Primary satellite | Secondary satellite |
| Name | Meteor 2-10 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 14453 | 36630 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 01 15:16 | 2021 Mar 01 17:24 |
| Time of closest approach (UTC) | 2021 Jan 23 23:05:59.731 |
| Minimum distance | 1.161 km |
| Height difference | 0.059 km |
| Relative speed | 9.052 km/s |
| Angle between velocity vectors | 75° |
| Geographic position | 73.3°S, 80.5°E |
| Height | 810 km |
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