| Primary satellite | Secondary satellite |
| Name | Transit 2A | DMSP BIV-2 Rocket |
| Spacetrack catalog number | 45 | 2741 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 13 11:05 | 2026 Jan 13 13:21 |
| Time of closest approach (UTC) | 2025 Dec 20 18:48:26.589 |
| Minimum distance | 5.052 km |
| Height difference | -0.368 km |
| Relative speed | 14.784 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 22.5°N, 110.6°E |
| Height | 786 km |
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