| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | HEAD-3E |
| Spacetrack catalog number | 47 | 57630 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2025 Jun 12 10:39 | 2025 Jun 11 21:10 |
| Time of closest approach (UTC) | 2025 May 21 19:12:35.769 |
| Minimum distance | 20.349 km |
| Height difference | -3.469 km |
| Relative speed | 5.233 km/s |
| Angle between velocity vectors | 41° |
| Geographic position | 42.4°N, 7.1°E |
| Height | 690 km |
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