| Primary satellite | Secondary satellite |
| Name | CAS-6 | COSMOS 2251 DEB |
| Spacetrack catalog number | 44881 | 33763 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2023 Jun 01 03:58 | 2023 May 31 15:47 |
| Time of closest approach (UTC) | 2023 Apr 02 18:31:19.571 |
| Minimum distance | 574.290 km |
| Height difference | 4.135 km |
| Relative speed | 15.072 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 21.2°N, 60.8°E |
| Height | 619 km |
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