| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 36045 | 46979 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:15 | 2024 Dec 19 08:03 |
| Time of closest approach (UTC) | 2024 Dec 24 08:39:55.616 |
| Minimum distance | 4.091 km |
| Height difference | -0.931 km |
| Relative speed | 14.748 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 1.7°S, 165.7°E |
| Height | 715 km |
|