| Primary satellite | Secondary satellite |
| Name | FO-29 | COSMOS 1275 DEB |
| Spacetrack catalog number | 24278 | 42167 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:38 | 2024 Dec 17 14:18 |
| Time of closest approach (UTC) | 2024 Dec 27 23:32:55.958 |
| Minimum distance | 3.868 km |
| Height difference | -2.407 km |
| Relative speed | 14.821 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 17.7°S, 175.1°W |
| Height | 946 km |
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