| 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 19 20:44 | 2023 Mar 20 00:50 |
| Time of closest approach (UTC) | 2023 Feb 01 19:40:00.336 |
| Minimum distance | 5256.017 km |
| Height difference | 67.604 km |
| Relative speed | 11.441 km/s |
| Angle between velocity vectors | 99° |
| Geographic position | 62.4°S, 12.9°W |
| Height | 636 km |
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