| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Agena D |
| Spacetrack catalog number | 12727 | 5347 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:41 | 2024 Dec 22 15:00 |
| Time of closest approach (UTC) | 2024 Dec 28 06:22:34.525 |
| Minimum distance | 1.784 km |
| Height difference | -1.473 km |
| Relative speed | 14.691 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 70.7°N, 12.6°E |
| Height | 953 km |
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