| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | deb Delta 139 |
| Spacetrack catalog number | 37651 | 13569 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Nov 14 12:59 | 2025 Nov 17 04:42 |
| Time of closest approach (UTC) | 2025 Oct 15 07:57:17.442 |
| Minimum distance | 702.773 km |
| Height difference | -5.818 km |
| Relative speed | 1.109 km/s |
| Angle between velocity vectors | 9° |
| Geographic position | 79.5°S, 56.7°W |
| Height | 838 km |
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