| Primary satellite | Secondary satellite |
| Name | Cosmos 2263 Rocket | deb Delta 139 |
| Spacetrack catalog number | 22803 | 13579 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 20 05:15 | 2021 Jan 20 04:14 |
| Time of closest approach (UTC) | 2020 Nov 29 13:49:56.912 |
| Minimum distance | 21.672 km |
| Height difference | 0.497 km |
| Relative speed | 14.798 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 9.5°S, 18.1°E |
| Height | 838 km |
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