Tralles (crater)
Encyclopedia
Tralles is an irregular lunar
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 crater
Impact crater
In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body...

 that is attached to the northwestern rim of the much larger crater Cleomedes
Cleomedes (crater)
Cleomedes is a prominent lunar crater located in the northeast part of the visible Moon, to the north of Mare Crisium. It is surrounded by rough ground with multiple crater impacts. The irregular crater Tralles intrudes into the northwest rim. To the east is Delmotte...

, in the northeastern part of the Moon
Moon
The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

. Within one crater diameter to the northwest is Debes
Debes (crater)
Debes is a lunar crater that is located to the north of the Mare Crisium, in the eastern part of the Moon's near side. It lies just to the northwest of the crater Tralles and the prominent Cleomedes....

.

This is an oddly shaped crater formation with an irregular perimeter. The rugged interior has the appearance of three overlapping craters, with one at the south end, a second to the northeast and a third to the northwest. There are also several tiny craterlets located within the jumbled inner surface.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater mid-point that is closest to Tralles.
Tralles Latitude Longitude Diameter
A 27.5° N 47.0° E 18 km
B 27.3° N 50.6° E 11 km
C 27.8° N 49.4° E 7 km
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