| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | IRIDIUM 112 |
| Spacetrack catalog number | 34913 | 41925 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:23 | 2024 Dec 22 20:51 |
| Time of closest approach (UTC) | 2024 Dec 29 01:23:10.951 |
| Minimum distance | 3.535 km |
| Height difference | -3.478 km |
| Relative speed | 12.093 km/s |
| Angle between velocity vectors | 109° |
| Geographic position | 71.6°S, 24.0°E |
| Height | 809 km |
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