| Primary satellite | Secondary satellite |
| Name | SL-8 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 37632 | 18276 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 10:49 | 2024 Dec 23 10:00 |
| Time of closest approach (UTC) | 2024 Dec 28 23:55:35.970 |
| Minimum distance | 4.528 km |
| Height difference | 0.713 km |
| Relative speed | 9.397 km/s |
| Angle between velocity vectors | 79° |
| Geographic position | 80.9°N, 76.8°W |
| Height | 995 km |
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