| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | IRIDIUM 33 DEB |
| Spacetrack catalog number | 34953 | 36493 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 09:54 | 2024 Dec 20 18:23 |
| Time of closest approach (UTC) | 2024 Dec 26 02:46:34.931 |
| Minimum distance | 2.851 km |
| Height difference | -0.980 km |
| Relative speed | 14.766 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 10.9°S, 29.7°E |
| Height | 707 km |
|