| Primary satellite | Secondary satellite |
| Name | CZ-4C R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 36416 | 34589 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 May 20 07:06 | 2022 May 20 08:36 |
| Time of closest approach (UTC) | 2022 Feb 01 22:39:36.455 |
| Minimum distance | 738.616 km |
| Height difference | 19.082 km |
| Relative speed | 11.176 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 57.4°S, 160.7°E |
| Height | 1116 km |
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