It takes about 165 Earth years.
The moon is on the same orbit as the Earth around the sun. It takes it a year to make that trip.
Neptune's average distance from the Sun is 2,795,084,800 miles. Assuming that distance, it would take 637 [Earth] years, 259 [Earth] days, 3 hours, and 36 minutes to travel from the Sun to Neptune at a rate of 500 miles per hour. That is an equivalent of 5,590,169.600 hours of travel time! Sunlight, however, can make the trip in about 4 hours, 10 minutes, and 26 seconds.
29 1/2 days
It's more or less impossible to answer this, since it depends on the exact route taken. It may give you some idea to know that it took the Voyager 2 spacecraft about 12 years to make the trip, though the scientists who planned it did not do so to optimize the travel time to Neptune specifically (it also visited several other planets first... that said, this probably didn't adversely impact the travel time too much).
2,875 kmType your answer here...
I am sorry to say but neptune orbits the sun not the moon.
Yes, Neptune takes 164.79 years to make one trip around the sun.
24 hours
It would take around 45 hours.
It takes the earth one year, or 365 days to make one trip around the sun.
For the Earth, it takes exactly one year.
Neptune does, since it's the furthest one out from the sun.
The orbit of Neptune around the sun is about 164.79 earth years.The wording of the question might simply be an error; planetary orbits around the sun are almost always the orbits of interest. But in fact Neptune does orbit the earth, if there is no requirement that an orbit has to directly involve the gravitational force between the two bodies involved. Whenever Neptune completes an orbit around the sun, it has effectively orbited all the other planets closer to the sun than it is. You could make the length of this event a little more accurate if you start and end with the same phases of Neptune from earth's perspective that give a total time closest to Neptune's orbital period. So Neptune's orbit of earth will be an exact multiple of Neptune's synodic period relative to earth, which is 367.49 days.
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About a year (without stopping for a rest )
It is a 800 mile trip so expect it to take around 13 hours.
Neptune is between 29 and 31 AU from Earth depending on the time of year, about 15,000 light seconds (4 hours). At the speed of the International Space Station (7.5 km/s), the trip would take around 20 years.