| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | Iridium 57 |
| Spacetrack catalog number | 42320 | 25273 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 21:27 | 2024 Dec 23 03:06 |
| Time of closest approach (UTC) | 2024 Dec 24 22:04:00.632 |
| Minimum distance | 3.999 km |
| Height difference | 2.902 km |
| Relative speed | 14.810 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 66.1°S, 18.6°W |
| Height | 797 km |
|