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Calculate how long it would take to reach planets, stars, or galaxies, as well as fuel mass, velocity and more!
- Mercury and Venus
- Mars
- Jupiter and Saturn
- Uranus and Neptune
How long it would take to travel to the planets is dependent upon a number of factors, such as the route you take, the spacecraft you use, and where the planets are located in their respective orbits. To simplify things, we will assume that the route you take is a direct one and that the planets are at their closest approach to one another. Further...
Mars is the most frequently visited planet in our solar system. While humans have yet to land on the Martian surface, space agencies have sent a number of rovers, landers, and satellites to study the Red Planet. During its closest approach, Mars is about 51-million miles (82-million kilometres) away from Earth. Moving at a speed of 50,000-miles per...
Beyond the orbit of Mars is the realm of the gas giants. Beyond Mars, the gas giants are much further away than their rocky counterparts. Jupiter is the closest gas giant to Earth, yet even at its closest approach it is still 367-million miles (590-million kilometres) away from our world. At this distance and moving at a speed of 50,000-miles per h...
Beyond Jupiter and Saturn are the two outermost planets of our solar system, Uranus and Neptune. These two worlds are so far away from us that they are the only two planets not visible to the naked eye. At its closest approach to the Earth, Uranus is located a staggering 1.7-billion miles (2.7-billion kilometres) away. Travelling in a spacecraft mo...
Jul 23, 2024 · How long does it take to get to space? It takes about 8.5 minutes for a space shuttle or spacecraft to reach Earth's orbit, i.e., the limit of space where the Earth's atmosphere ends. This dividing line between the Earth's atmosphere and space is called the Kármán line .
Jul 2, 2024 · You can use Kepler's third law to calculate the mass of the Sun using data for the Earth: Write the Kepler's third law as: GM/4π² = r³/T². Multiply by 4π²/G to get: M = 4r³π²/T²G. Insert T for Earth as 1 year and r as 1 au. The mass of the Sun is about 2×10³⁰ kg.
- Dominik Czernia
Dec 12, 2011 · The time varies over a range of about 16 minutes depending on the relative positions of Earth and the target planet in their orbits; Earth can be 8 light-minutes closer than the Sun is, or 8 light-minutes farther away.
Aug 9, 2024 · Bottom Line. In Short. Mercury: ~7 years (average) Venus: ~161.25 days (about 5.375 months) (average) Mars: ~128 to 360 days (varies per mission) Jupiter: ~3 years and 3 months (average for flybys); ~5.5 years (average for orbital missions) Saturn: ~6.5/7 years (for orbital missions like Cassini)
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You can also see how the length of your spacecraft will shorten for observers watching it from earth, if only they had powerful enough telescopes. This is the simplest way to use the space travel calculator: Enter a distance to a planet or star. Don't know any? Then type Pr and press the down arrow. The distance to Proxima Centauri appears.
