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tl;dr: For a spacecraft orbiting the Earth within the 1.5 million kilometer Hill sphere, there will be plenty of opportunities to view a transit of Venus. Below I've done the calculation for central transits but it's not exhaustive; from the edge of the Hill sphere there will be even more transits across the edges of the Sun. If I get time in the next few ...


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Using JPL's Solar System Dynamics HORIZONS Web-Interface (DE-441 ephemeris) to find the positions (w.r.t. the solar system barycenter, SSB*) of the Earth, Venus, and the Sun from today (10-June-2021) until 12-Dec-2117 (the next transit is 11-Dec-2117, 1 day time steps): *(future me realizes it's probably easier to configure the planet's positions w.r.t. the ...


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