| Primary satellite | Secondary satellite |
| Name | deb Delta 139 | deb Starlette |
| Spacetrack catalog number | 12212 | 7654 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2025 Jan 18 20:45 | 2025 Jan 18 13:38 |
| Time of closest approach (UTC) | 2024 Dec 07 06:19:52.677 |
| Minimum distance | 102.622 km |
| Height difference | -5.575 km |
| Relative speed | 12.503 km/s |
| Angle between velocity vectors | 115° |
| Geographic position | 49.7°N, 155.6°W |
| Height | 898 km |
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