| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | deb Kosmos-1375 |
| Spacetrack catalog number | 12172 | 16382 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:38 | 2024 Dec 22 10:36 |
| Time of closest approach (UTC) | 2024 Dec 28 04:59:26.809 |
| Minimum distance | 4.871 km |
| Height difference | 1.044 km |
| Relative speed | 6.243 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 46.5°N, 160.4°W |
| Height | 782 km |
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