| Primary satellite | Secondary satellite |
| Name | DOVE 4 | COSMOS 2251 DEB |
| Spacetrack catalog number | 39430 | 34321 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Nov 17 19:51 | 2025 Nov 17 09:28 |
| Time of closest approach (UTC) | 2025 Oct 13 20:29:11.546 |
| Minimum distance | 47.260 km |
| Height difference | 1.408 km |
| Relative speed | 13.589 km/s |
| Angle between velocity vectors | 131° |
| Geographic position | 73.2°S, 165.8°W |
| Height | 761 km |
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