| Primary satellite | Secondary satellite |
| Name | deb Delta 104 | COSMOS 2251 DEB |
| Spacetrack catalog number | 9988 | 33973 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:20 | 2024 Dec 22 14:47 |
| Time of closest approach (UTC) | 2024 Dec 27 07:41:15.298 |
| Minimum distance | 3.951 km |
| Height difference | 3.643 km |
| Relative speed | 14.867 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 71.7°N, 54.2°W |
| Height | 783 km |
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