| Primary satellite | Secondary satellite |
| Name | Transit 2A | Centaur D-1AR AC-38 |
| Spacetrack catalog number | 45 | 8840 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2025 Jun 20 21:52 | 2025 Jun 20 18:40 |
| Time of closest approach (UTC) | 2025 May 18 21:17:47.332 |
| Minimum distance | 135.415 km |
| Height difference | 13.712 km |
| Relative speed | 6.971 km/s |
| Angle between velocity vectors | 45° |
| Geographic position | 2.8°S, 125.3°E |
| Height | 769 km |
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