| Primary satellite | Secondary satellite |
| Name | DMSP 5D-2 F13 DEB | IRIDIUM 117 |
| Spacetrack catalog number | 40600 | 42808 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:55 | 2024 Dec 23 03:18 |
| Time of closest approach (UTC) | 2024 Dec 29 00:14:43.032 |
| Minimum distance | 3.081 km |
| Height difference | -0.161 km |
| Relative speed | 14.883 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 59.3°N, 121.7°E |
| Height | 787 km |
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