| Primary satellite | Secondary satellite |
| Name | CSL-04 Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 25732 | 33819 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 19 03:41 | 2022 May 18 03:55 |
| Time of closest approach (UTC) | 2022 Jan 23 22:54:34.532 |
| Minimum distance | 16.232 km |
| Height difference | 4.627 km |
| Relative speed | 14.823 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 47.1°S, 31.5°W |
| Height | 828 km |
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