| Primary satellite | Secondary satellite |
| Name | FO-29 | COSMOS 2251 DEB |
| Spacetrack catalog number | 24278 | 35976 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2022 Aug 09 21:27 | 2022 Aug 09 17:15 |
| Time of closest approach (UTC) | 2022 Jun 28 20:56:56.031 |
| Minimum distance | 57.723 km |
| Height difference | 0.334 km |
| Relative speed | 11.726 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 73.6°S, 120.4°E |
| Height | 827 km |
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