| Primary satellite | Secondary satellite |
| Name | Transit 2A | Star 26B S/N 006 |
| Spacetrack catalog number | 45 | 7219 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2026 Jan 13 11:05 | 2026 Jan 13 14:59 |
| Time of closest approach (UTC) | 2025 Dec 18 06:37:28.446 |
| Minimum distance | 8.724 km |
| Height difference | -1.448 km |
| Relative speed | 14.802 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 22.8°N, 57.5°W |
| Height | 781 km |
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