| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | FO-29 |
| Spacetrack catalog number | 42167 | 24278 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 17 14:18 | 2024 Dec 23 07:50 |
| Time of closest approach (UTC) | 2024 Dec 27 23:32:55.952 |
| Minimum distance | 3.875 km |
| Height difference | 2.420 km |
| Relative speed | 14.821 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 17.7°S, 175.2°W |
| Height | 944 km |
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