| Primary satellite | Secondary satellite |
| Name | OBJECT D | Explorer 7 |
| Spacetrack catalog number | 52156 | 22 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:08 | 2024 Dec 23 01:57 |
| Time of closest approach (UTC) | 2024 Dec 24 19:13:36.955 |
| Minimum distance | 4.536 km |
| Height difference | 4.094 km |
| Relative speed | 14.531 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 12.2°N, 154.6°W |
| Height | 555 km |
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