| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | COSMOS 2251 DEB |
| Spacetrack catalog number | 47 | 36453 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2023 Mar 19 20:44 | 2023 Mar 19 20:55 |
| Time of closest approach (UTC) | 2023 Feb 06 19:58:49.191 |
| Minimum distance | 176.902 km |
| Height difference | -1.490 km |
| Relative speed | 13.640 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 37.7°N, 38.7°E |
| Height | 734 km |
|