| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42562 | 33797 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 07:01 | 2024 Dec 23 09:44 |
| Time of closest approach (UTC) | 2024 Dec 27 18:54:11.618 |
| Minimum distance | 4.537 km |
| Height difference | 4.514 km |
| Relative speed | 14.890 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 57.3°N, 15.1°W |
| Height | 717 km |
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