| Primary satellite | Secondary satellite |
| Name | Courier 1B Rocket | SDA-1665 |
| Spacetrack catalog number | 59 | 65975 |
| Radar cross section | large | |
| Epoch of two-line elements (UTC) | 2025 Dec 12 04:47 | 2025 Dec 12 04:53 |
| Time of closest approach (UTC) | 2025 Nov 12 07:11:12.174 |
| Minimum distance | 45.112 km |
| Height difference | -4.814 km |
| Relative speed | 10.404 km/s |
| Angle between velocity vectors | 89° |
| Geographic position | 26.9°S, 111.4°W |
| Height | 961 km |
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