| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42562 | 36052 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 07:01 | 2024 Dec 23 08:36 |
| Time of closest approach (UTC) | 2024 Dec 24 07:03:58.884 |
| Minimum distance | 3.152 km |
| Height difference | 3.025 km |
| Relative speed | 15.109 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 35.9°S, 141.9°E |
| Height | 618 km |
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