| Primary satellite | Secondary satellite |
| Name | ARIANE 1 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 39107 | 18276 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 20:48 | 2024 Dec 23 10:00 |
| Time of closest approach (UTC) | 2024 Dec 28 07:19:41.092 |
| Minimum distance | 4.449 km |
| Height difference | -4.023 km |
| Relative speed | 7.930 km/s |
| Angle between velocity vectors | 66° |
| Geographic position | 75.3°S, 28.4°W |
| Height | 996 km |
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