| Primary satellite | Secondary satellite |
| Name | IRIDIUM 122 | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 42957 | 42266 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:33 | 2024 Dec 20 00:57 |
| Time of closest approach (UTC) | 2024 Dec 29 23:10:40.814 |
| Minimum distance | 3.238 km |
| Height difference | -1.430 km |
| Relative speed | 14.317 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 78.9°S, 0.5°E |
| Height | 807 km |
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