| Primary satellite | Secondary satellite |
| Name | HEAD-3A | IRIDIUM 33 DEB |
| Spacetrack catalog number | 57626 | 36493 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:54 | 2024 Dec 20 18:23 |
| Time of closest approach (UTC) | 2024 Dec 27 21:50:05.766 |
| Minimum distance | 4.877 km |
| Height difference | -2.556 km |
| Relative speed | 11.055 km/s |
| Angle between velocity vectors | 95° |
| Geographic position | 44.3°N, 105.5°E |
| Height | 701 km |
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