| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 40808 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 26 22:26 | 2023 Mar 26 09:11 |
| Time of closest approach (UTC) | 2023 Feb 05 00:42:48.636 |
| Minimum distance | 781.739 km |
| Height difference | 25.204 km |
| Relative speed | 13.400 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 36.1°N, 26.9°W |
| Height | 724 km |
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