| 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 25 04:45:17.253 |
| Minimum distance | 3.850 km |
| Height difference | 3.053 km |
| Relative speed | 14.816 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 65.5°S, 119.6°W |
| Height | 796 km |
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