| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 34765 | 34814 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:01 | 2024 Dec 22 18:18 |
| Time of closest approach (UTC) | 2024 Dec 27 14:54:06.771 |
| Minimum distance | 3.063 km |
| Height difference | 2.831 km |
| Relative speed | 8.632 km/s |
| Angle between velocity vectors | 71° |
| Geographic position | 73.9°S, 150.0°W |
| Height | 778 km |
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