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How Long Does It Take to Get to the Moon, Exactly?

# How Long Does It Take to Get to the Moon, Exactly?

The Moon is our constant, nearby companion. How long does it take to get to the Moon?

We can see distant planets, stars, and galaxies with the naked eye, but it’s not the same as the Moon. The Moon is so close that we can see its shadows and craters, and it even affects the tides on Earth.

Given that the Moon seems so close to Earth, how long does it take to get to the Moon? What if you wanted to go to the moon?

Buckle up and strap into the space rocket because, today, we’ll talk about how long it takes to get to the Moon!

## How Long Does It Take to Get to the Moon?

Everything is in motion in the night skies. Taking a time-lapse photograph of just a moment or two will result in a blurred image. Calculating how long it takes to get to the Moon requires consideration of several factors.

• The distance from the Earth to the Moon (it changes)
• How fast the spacecraft is traveling

### How Far Away is the Moon from the Earth?

The Moon isn’t as close to Earth as it seems. The Moon is orbiting the Earth, and the Earth is orbiting the Sun. Gravity causes the Moon to move closer and farther away from the Earth.

#### Perigee

The Moon doesn’t orbit the Earth in a perfectly circular orbit. The Moon moves further and closer to the Earth during its orbit around the Earth. At the perigee, the point in the Moon’s orbit when it’s closest to Earth, the Moon is around 225,623 miles (363,106 km) away.

#### Apogee

The Moon is approximately 252,088 miles (405698 km) when it’s furthest from Earth. It takes longer to reach the Moon if you’re traveling with an apogee flight path.

### How Fast is the Spacecraft Traveling?

A spacecraft must reach a speed of 25,200 miles per hour, or 7 miles per second, to escape the Earth’s gravity. If we calculate the time based on the perigee (225,623 miles) and the spacecraft speed (25,200 mph), we end up with 8.95 hours.

A theoretical calculation of nine hours is much faster than actual historical travel times to the Moon. Why is this so?

#### Traveling In A Straight Line

If we want our spacecraft to travel to the Moon as fast as possible, we must travel in a straight line. To travel in a straight line, we’ll need to travel faster. To travel faster, we’ll need more fuel. If we need more fuel, we need a larger spacecraft. Most spacecraft travel to the Moon in an orbital path, orbiting the Earth and then orbiting the Moon. Using the Earth and Moon’s gravitational fields, the orbital path allows the spacecraft to use less fuel. Less fuel equates to cost savings.

#### Mission Types

The type of mission being flown may impact the flight duration. An uncrewed mission requires a different safety consideration than a crewed mission requires. One-way missions (impactors) don’t need the same kind of equipment redundancies that orbiter missions require.

The chart below shows the flight durations of the Moon mission types over the past sixty-plus years.

A rough examination of the mission flight times in the chart above indicates that it takes around four days to reach the Moon if you’re in a hurry. Differing mission objectives may slightly improve the flight time or stretch it out.

India’s Chandrayaan-3 is the latest successful mission to land (successfully) on the Moon. India now joins the United States, China, and Russia. Russia’s Luna-25 recently crashed into the surface of the Moon.

### What’s the Fastest Known Time to Reach the Moon?

Travel time to the Moon might be very quick, depending on your mode of transportation.

#### New Horizons

On January 19, 2006, the New Horizons mission launched from Cape Canaveral Air Force Station, Florida. New Horizons sped past the Moon on its way to Pluto and the Kuiper Belt. Traveling past the Moon took New Horizons approximately 8 hours and 35 minutes.

The New Horizons mission plan is currently on the chopping block as NASA plans to reduce the budget and change the mission plan to reduce costs. Today, the New Horizons spacecraft is traveling through the Kuiper Belt.

#### Parker Solar Probe

How long does it take to get to the Moon if you’ve hitched a ride on the Parker solar probe? The Parker solar probe travels at approximately 364,660mph (586,800 kmh). We’d estimate that you make it from Earth to the Moon faster than you could maybe have pizza delivered — about 37 minutes.

#### A Trusty Pickup Truck

Suppose you jumped into your trusty pickup truck to drive to the Moon. Hopefully, you have a lot of vacation time! If you aim your truck toward the Moon and set the cruise control at 70 mph, you should arrive on the surface of the Moon in roughly 134 days. Of course, none of this is possible!

#### Light

It takes light approximately 1.3 seconds to travel from the surface of the Moon to the Earth’s surface. Light travels at about 186,411 mph. If you could ride a sunbeam, you could travel from the Moon to the Earth in about the same amount of time it takes to blink your eyes.

## Wrapping Up

Given our current technology, a reasonable conclusion about how long it takes to get to the Moon is between three and four days. Space agencies may slow down the rate of speed for a spacecraft to reach the Moon to carry out scientific data collection and save money.

## How Long Does It Take to Get to the Moon, Exactly? FAQs (Frequently Asked Questions)

How long did it take to get to the Moon in 1969?

The Apollo 11 spacecraft (1969) took around four days, six hours, and forty-five minutes to reach the Moon.

When did Russia land on the Moon?

Russia’s Luna-24 lander landed on the Moon on August 18, 1976. The Luna-25 launched on August 9, 2023, and crashed into the Moon nine days later.

How many countries have walked on the Moon?

The United States is the only country that has had astronauts land and walk on the Moon’s surface. Russia, China, and India have each successfully landed uncrewed landers on the Moon’s surface.

Who was the last person to walk on the Moon?

American Astronaut Eugene Cernan was the last person to walk on the Moon in 1972. The race to place astronauts back on the Moon is now underway.

When will the U.S. land on the Moon again?

In 2022, the Artemis I mission tested the Orion spaceship by launching it and sending it on a six-day orbit around the Moon before it returned to Earth. In 2024, the Artemis II mission will use the same Orion design and send four astronauts into orbit around the Moon for ten days. In 2025, the Artemis III mission will send astronauts to the Moon’s surface to build a base camp. The base camp includes a rover, a mobile home, and a lunar cabin. Future astronauts can stay at the base camp for up to two months.

#### Steve McGarvey, Author for History-Computer

As a Process Engineer in the Semiconductor manufacturing industry, I specialized in Critical Dimension Scanning Electron Microscopes and Photolithography. As a Defect Metrology Application Engineer, I specialized in technical marketing and client-facing support in relation to dark field non-patterned wafer surface scanning inspection systems, dark field patterned wafer inspection, defect review Scanning electron microscopes, bright field patterned wafer defect inspection and electron beam defect metrology. These days I'm writing and traveling the world.