| Primary satellite | Secondary satellite |
| Name | FO-29 | deb Kosmos-1174 |
| Spacetrack catalog number | 24278 | 11778 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2025 Jul 20 09:59 | 2025 Jul 20 02:42 |
| Time of closest approach (UTC) | 2025 Jun 17 13:49:27.141 |
| Minimum distance | 23.926 km |
| Height difference | 6.259 km |
| Relative speed | 12.950 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 66.5°S, 31.8°W |
| Height | 858 km |
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