| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 33989 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 26 22:26 | 2023 Mar 26 21:27 |
| Time of closest approach (UTC) | 2023 Feb 01 19:36:27.710 |
| Minimum distance | 2945.898 km |
| Height difference | 45.047 km |
| Relative speed | 10.414 km/s |
| Angle between velocity vectors | 87° |
| Geographic position | 66.7°S, 42.0°W |
| Height | 663 km |
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