| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | IRIDIUM 141 |
| Spacetrack catalog number | 12172 | 43077 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:38 | 2024 Dec 23 01:51 |
| Time of closest approach (UTC) | 2024 Dec 25 06:18:41.650 |
| Minimum distance | 4.991 km |
| Height difference | -2.577 km |
| Relative speed | 14.864 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 63.7°N, 170.9°E |
| Height | 790 km |
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