| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | IRIDIUM 33 DEB |
| Spacetrack catalog number | 12203 | 39778 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:24 | 2024 Dec 21 23:58 |
| Time of closest approach (UTC) | 2024 Dec 28 20:46:00.239 |
| Minimum distance | 3.746 km |
| Height difference | 3.741 km |
| Relative speed | 14.993 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 4.3°S, 34.9°W |
| Height | 724 km |
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