| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Delta 139 |
| Spacetrack catalog number | 17642 | 13566 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:03 | 2024 Dec 22 13:51 |
| Time of closest approach (UTC) | 2024 Dec 24 15:33:38.568 |
| Minimum distance | 4.988 km |
| Height difference | 4.014 km |
| Relative speed | 14.884 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 22.9°N, 51.7°E |
| Height | 797 km |
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