| Primary satellite | Secondary satellite |
| Name | Cosmos 2263 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 22803 | 34964 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 23:03 | 2020 Dec 25 06:32 |
| Time of closest approach (UTC) | 2020 Nov 29 07:41:13.821 |
| Minimum distance | 35.247 km |
| Height difference | -2.339 km |
| Relative speed | 13.963 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 31.2°S, 84.2°W |
| Height | 840 km |
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