| Primary satellite | Secondary satellite |
| Name | deb HAPS | COSMOS 2251 DEB |
| Spacetrack catalog number | 24091 | 34914 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:04 | 2024 Dec 20 14:08 |
| Time of closest approach (UTC) | 2024 Dec 27 08:25:36.869 |
| Minimum distance | 2.386 km |
| Height difference | -2.385 km |
| Relative speed | 12.828 km/s |
| Angle between velocity vectors | 116° |
| Geographic position | 66.6°S, 172.0°W |
| Height | 564 km |
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