| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | DELTA 1 DEB |
| Spacetrack catalog number | 13561 | 37663 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:50 | 2024 Dec 20 07:52 |
| Time of closest approach (UTC) | 2024 Dec 29 13:21:49.063 |
| Minimum distance | 4.756 km |
| Height difference | 3.122 km |
| Relative speed | 14.629 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 5.0°S, 87.4°E |
| Height | 850 km |
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