| Primary satellite | Secondary satellite |
| Name | DOVE 4 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39430 | 33938 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 Jun 08 02:00 | 2023 Jun 07 22:06 |
| Time of closest approach (UTC) | 2023 Apr 02 00:12:42.684 |
| Minimum distance | 210.746 km |
| Height difference | -4.022 km |
| Relative speed | 12.249 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 75.2°N, 123.3°E |
| Height | 778 km |
|