| Primary satellite | Secondary satellite |
| Name | Transit 2A | COSMOS 2251 DEB |
| Spacetrack catalog number | 45 | 35023 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 May 27 19:33 | 2022 May 28 12:19 |
| Time of closest approach (UTC) | 2022 Jan 27 14:07:30.540 |
| Minimum distance | 43.739 km |
| Height difference | -1.783 km |
| Relative speed | 14.066 km/s |
| Angle between velocity vectors | 140° |
| Geographic position | 10.4°N, 104.9°E |
| Height | 745 km |
|