| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 34690 | 34609 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:35 | 2024 Dec 22 13:43 |
| Time of closest approach (UTC) | 2024 Dec 25 10:08:35.078 |
| Minimum distance | 4.313 km |
| Height difference | -3.330 km |
| Relative speed | 14.577 km/s |
| Angle between velocity vectors | 152° |
| Geographic position | 44.4°S, 126.7°E |
| Height | 739 km |
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