| Primary satellite | Secondary satellite |
| Name | deb Atmosphere 1 | deb Kosmos-1275 |
| Spacetrack catalog number | 20797 | 12715 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 21:55 | 2024 Dec 22 21:31 |
| Time of closest approach (UTC) | 2024 Dec 26 04:59:04.887 |
| Minimum distance | 3.353 km |
| Height difference | -3.094 km |
| Relative speed | 14.819 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 60.8°S, 171.6°W |
| Height | 857 km |
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