| Primary satellite | Secondary satellite |
| Name | Explorer 7 | GHGSAT-C8 |
| Spacetrack catalog number | 22 | 56186 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2025 Jun 12 04:14 | 2025 Jun 12 13:15 |
| Time of closest approach (UTC) | 2024 Jul 18 11:55:24.445 |
| Minimum distance | 344.860 km |
| Height difference | -126.932 km |
| Relative speed | 14.560 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 4.4°N, 157.6°E |
| Height | 587 km |
|