| Primary satellite | Secondary satellite |
| Name | OPAL | COSMOS 1275 DEB |
| Spacetrack catalog number | 26063 | 42114 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:10 | 2024 Dec 21 13:11 |
| Time of closest approach (UTC) | 2024 Dec 26 11:01:35.746 |
| Minimum distance | 2.089 km |
| Height difference | 0.419 km |
| Relative speed | 14.781 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 73.3°S, 36.5°W |
| Height | 819 km |
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