| Primary satellite | Secondary satellite |
| Name | DELTA 1 DEB | deb Delta 139 |
| Spacetrack catalog number | 37651 | 14913 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Nov 14 12:59 | 2025 Nov 17 19:08 |
| Time of closest approach (UTC) | 2025 Oct 19 15:08:03.731 |
| Minimum distance | 360.330 km |
| Height difference | 2.042 km |
| Relative speed | 8.488 km/s |
| Angle between velocity vectors | 69° |
| Geographic position | 78.1°N, 5.9°E |
| Height | 780 km |
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