| Primary satellite | Secondary satellite |
| Name | CZ-4 R/B DEB | IRIDIUM 161 |
| Spacetrack catalog number | 37622 | 43478 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:14 | 2024 Dec 23 01:00 |
| Time of closest approach (UTC) | 2024 Dec 27 04:22:54.057 |
| Minimum distance | 2.540 km |
| Height difference | 1.042 km |
| Relative speed | 9.971 km/s |
| Angle between velocity vectors | 84° |
| Geographic position | 80.5°S, 7.2°W |
| Height | 776 km |
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