| Primary satellite | Secondary satellite |
| Name | IRIDIUM 33 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 34159 | 33822 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:41 | 2024 Dec 22 17:44 |
| Time of closest approach (UTC) | 2024 Dec 24 09:36:57.647 |
| Minimum distance | 2.922 km |
| Height difference | -1.681 km |
| Relative speed | 11.530 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 72.7°S, 152.8°E |
| Height | 804 km |
|