| Primary satellite | Secondary satellite |
| Name | deb Agena D | ERTS 1 |
| Spacetrack catalog number | 4651 | 6126 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2025 Nov 16 08:22 | 2025 Nov 16 07:14 |
| Time of closest approach (UTC) | 2025 Oct 16 08:44:03.008 |
| Minimum distance | 39.177 km |
| Height difference | -1.264 km |
| Relative speed | 11.069 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 75.1°S, 167.3°W |
| Height | 929 km |
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