| Primary satellite | Secondary satellite |
| Name | IRIDIUM 170 | CZ-4C DEB |
| Spacetrack catalog number | 43930 | 39213 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 14:49 | 2024 Dec 22 22:40 |
| Time of closest approach (UTC) | 2024 Dec 29 18:00:23.952 |
| Minimum distance | 4.228 km |
| Height difference | -3.969 km |
| Relative speed | 14.349 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 80.4°N, 131.6°W |
| Height | 666 km |
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