| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 34690 | 40233 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:35 | 2024 Dec 22 13:15 |
| Time of closest approach (UTC) | 2024 Dec 28 16:47:21.694 |
| Minimum distance | 6.629 km |
| Height difference | 2.793 km |
| Relative speed | 13.870 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 62.8°N, 154.2°W |
| Height | 723 km |
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