OrbitStudio Open the generator →

OrbitStudio / Lunar landmarks / Apollo 11

Apollo 11 landing site

Tranquility Base is the one destination on this list chosen for being boring. NASA wanted the flattest, emptiest ground they could find, because the first landing had to survive the terrain as much as the descent. That history is the whole point — and it makes it the hardest region here to print well.

Coordinates0.674° N, 23.473° E
Landing20 July 1969, 20:17:40 UTC
Crew on the surfaceNeil Armstrong and Buzz Aldrin
Time on the surfaceAbout 21.5 hours, one moonwalk
Samples returned21.5 kg
RegionMare Tranquillitatis, nearside
Elevation sourceNASA Lunar Reconnaissance Orbiter (LRO)

Landing time, coordinates, duration and sample mass from NASA's National Space Science Data Center. The coordinates above are the center point OrbitStudio uses; NASA's figure for the Lunar Module itself is 0.67409° N, 23.47298° E.

Where did Apollo 11 land?

Apollo 11 landed at 0.674° north, 23.473° east, in Mare Tranquillitatis — the Sea of Tranquility — on the lunar nearside, almost exactly on the equator. The Lunar Module touched down at 20:17:40 UTC on 20 July 1969, and Armstrong and Aldrin spent about 21.5 hours on the surface before lifting off with 21.5 kilograms of samples.

Why was this site chosen?

Because nothing much is there. Mare Tranquillitatis is an ancient lava plain, and the landing ellipse was picked for being flat, low in boulders and free of the steep slopes that would have made a first landing far riskier. Everything dramatic about Apollo 11 happened in the spacecraft and in the story, not in the landscape.

What does Tranquility Base look like as a 3D print?

Flat — and you should know that before you print it. At true scale this region is close to a smooth plate with shallow dimples where small craters sit. It is the clearest case on the Moon for turning terrain exaggeration up: at three to five times, the low ridges and crater rims that the eye cannot find at 1× come out as real texture.

What you are printing here is a place, not a spectacle. As an engraved-frame piece with the coordinates and the date around the edge, that reads better than any crater on this list.

Print Tranquility Base in OrbitStudio Watch how it works · 1:12

Can you see the Apollo hardware in the print?

No. The descent stage left behind is about four meters across, and the elevation data behind these models is measured in meters per sample, not centimeters. The lander is far below what any printable terrain model can resolve. What you get is the ground it stands on, at the coordinates where it stands.

What is OrbitStudio?

OrbitStudio turns real NASA lunar elevation data into 3D-printable models. You pick a region of the Moon on a globe or a flat map, choose a jigsaw puzzle or a solid ornament, and get one ready-to-print file with terrain and borders already separated and colored. No CAD, no mesh repair. All six Apollo landing sites are built in as one-click destinations.

Trying it is free and needs no account: pick a region, generate it and turn it around in 3D. Downloading the model — STL files and pre-colored 3MF files for Bambu Studio or OrcaSlicer — uses one credit from a pass. The generator covers Mars too.

Other landmarks

Tycho Crater Copernicus Crater Tsiolkovskiy Crater All six Apollo landing sites All lunar landmarks

The night sky, too

OrbitStudio Sky, the night-sky tool, turns the sky over any place, on any date from 1900 to 2100, into a 3D-printable star map. Its STL is free.