Plaskett is a prominent 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...

 impact 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 located on the northern hemisphere

Sphere

A sphere is a perfectly round geometrical object in three-dimensional space, such as the shape of a round ball. Like a circle in two dimensions, a perfect sphere is completely symmetrical around its center, with all points on the surface lying the same distance r from the center point...

 on the far side 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...

. It lies only a few hundred kilometers south of the lunar north pole, and the sunlight it receives is at a low angle. The large walled plain Rozhdestvenskiy

Rozhdestvenskiy (crater)

Rozhdestvenskiy is a large lunar crater that is located on the far side of the Moon, within one crater diameter of the north pole. It lies sandwiched between the craters Hermite along the eastern rim, and Plaskett which intrudes slightly into the west-southwestern rim...

 is attached to the northeast rim of Plaskett, between the crater and the pole. To the south is the overlapping crater pair of Milankovic

Milankovic (lunar crater)

Milankovic is a lunar crater that is located in the high northern latitudes on the far side of the Moon. Overlapping the southeastern rim is the smaller but more sharply defined crater Ricco. Just to the south is Karpinskiy, and to the north is the prominent Plaskett.This is a worn and eroded...

 and Ricco

Ricco (crater)

Ricco is a lunar impact crater. It is located in the northern part of the Moon's far side. This crater overlies the southeastern rim of the larger crater Milankovic. Less than one crater diameter to the southwest is Karpinskiy, while to the southeast is Roberts.This is a relatively fresh crater...

.

The outer rim of Plaskett has a somewhat polygon

Polygon

In geometry a polygon is a flat shape consisting of straight lines that are joined to form a closed chain orcircuit.A polygon is traditionally a plane figure that is bounded by a closed path, composed of a finite sequence of straight line segments...

al shape formed from outward bulges in the perimeter. The inner wall is terraced along the southern edge, while the remainder is rougher and less finely featured. The interior floor is relatively flat and there is a central peak formed of a double-mount at the mid-point. The satellite crater Plaskett U is attached to the southeast rim.

Because of the isolation of this crater and its location near the lunar limb, it has been suggested as the ideal spot for a future lunar base. A base here would allow simulation of a mission to Mars

Mars

Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...

.

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 Plaskett.

Plaskett	Latitude	Longitude	Diameter
H	80.2° N	165.1° W	20 km
S	81.6° N	148.7° E	17 km
U	83.0° N	160.2° E	14 km
V	82.5° N	118.5° E	49 km