| Primary satellite | Secondary satellite |
| Name | OBJECT D | COSMOS 2251 DEB |
| Spacetrack catalog number | 59680 | 33821 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:27 | 2024 Dec 22 22:15 |
| Time of closest approach (UTC) | 2024 Dec 24 13:10:10.609 |
| Minimum distance | 4.164 km |
| Height difference | -0.658 km |
| Relative speed | 10.769 km/s |
| Angle between velocity vectors | 90° |
| Geographic position | 72.4°S, 163.7°E |
| Height | 519 km |
|