| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | Oscar 15 |
| Spacetrack catalog number | 12658 | 20438 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 23 02:23 |
| Time of closest approach (UTC) | 2024 Dec 23 16:57:19.192 |
| Minimum distance | 2.616 km |
| Height difference | -1.487 km |
| Relative speed | 14.889 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 49.2°S, 58.8°E |
| Height | 815 km |
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