| Primary satellite | Secondary satellite |
| Name | Explorer 7 | OBJECT D |
| Spacetrack catalog number | 22 | 52156 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:37 | 2024 Dec 22 20:09 |
| Time of closest approach (UTC) | 2024 Dec 24 19:13:37.425 |
| Minimum distance | 4.155 km |
| Height difference | -4.075 km |
| Relative speed | 14.530 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 12.2°N, 154.5°W |
| Height | 559 km |
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