| Primary satellite | Secondary satellite |
| Name | SL-16 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 39714 | 12725 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 15:16 | 2024 Dec 23 03:54 |
| Time of closest approach (UTC) | 2024 Dec 26 01:29:44.523 |
| Minimum distance | 3.814 km |
| Height difference | 2.236 km |
| Relative speed | 9.323 km/s |
| Angle between velocity vectors | 78° |
| Geographic position | 70.9°N, 50.6°E |
| Height | 892 km |
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