| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | DX 1 |
| Spacetrack catalog number | 12227 | 40071 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 06:51 | 2024 Dec 23 14:23 |
| Time of closest approach (UTC) | 2024 Dec 28 12:03:14.527 |
| Minimum distance | 10.411 km |
| Height difference | 2.569 km |
| Relative speed | 14.610 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 53.6°S, 18.0°E |
| Height | 627 km |
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