| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | IRIDIUM 118 |
| Spacetrack catalog number | 42327 | 42807 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 00:22 | 2024 Dec 22 23:30 |
| Time of closest approach (UTC) | 2024 Dec 27 10:59:05.942 |
| Minimum distance | 0.362 km |
| Height difference | -0.084 km |
| Relative speed | 14.835 km/s |
| Angle between velocity vectors | 167° |
| Geographic position | 66.5°N, 35.0°W |
| Height | 788 km |
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