| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CSL-04 DEB |
| Spacetrack catalog number | 34563 | 26143 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 15:49 | 2022 Jul 03 16:49 |
| Time of closest approach (UTC) | 2022 Jun 04 22:36:39.084 |
| Minimum distance | 7.523 km |
| Height difference | -0.957 km |
| Relative speed | 14.994 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 51.6°S, 178.1°E |
| Height | 789 km |
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