| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | COSMOS 2251 DEB |
| Spacetrack catalog number | 31114 | 33971 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 23 21:40 | 2023 Mar 23 22:37 |
| Time of closest approach (UTC) | 2023 Feb 05 12:22:57.781 |
| Minimum distance | 21.796 km |
| Height difference | -2.780 km |
| Relative speed | 14.870 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 35.0°S, 116.6°W |
| Height | 798 km |
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