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A short period comet is conventionally defined as a comet having an orbital period of less than 200 years. What is the maximum possible aphelion distance for a short period comet with a perihelion of 0.5 AU? Where does this place the comet relative to the outer planets? (3)
Answers. Best Answer: Orbital period (Time for 1 orbit around Sun): 225 Days Rotational Period: 243 Days Venus spins backward on its axis as compared to the other planets and its day is longer than its year. Thinking is that its rotation was affected/disturbed by an impact sometime in the past. Source(s):