| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | SL-16 DEB |
| Spacetrack catalog number | 27733 | 39709 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 03:24 | 2024 Dec 19 06:08 |
| Time of closest approach (UTC) | 2024 Dec 27 12:39:54.821 |
| Minimum distance | 4.253 km |
| Height difference | 0.993 km |
| Relative speed | 7.624 km/s |
| Angle between velocity vectors | 61° |
| Geographic position | 71.1°N, 114.3°E |
| Height | 841 km |
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