| Primary satellite | Secondary satellite |
| Name | Meteor 2-11 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 15100 | 37089 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 13:01 | 2021 Jan 16 17:13 |
| Time of closest approach (UTC) | 2020 Nov 26 01:24:58.014 |
| Minimum distance | 436.327 km |
| Height difference | 3.294 km |
| Relative speed | 6.268 km/s |
| Angle between velocity vectors | 51° |
| Geographic position | 72.1°S, 110.7°E |
| Height | 980 km |
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