Lagrange (crater)
Encyclopedia
Lagrange is a lunar
crater
that is attached to the northwestern rim of the crater Piazzi
. It lies near the southwestern limb of the Moon
, and the appearance is oblong due to foreshortening. To the northwest of this feature is the Montes Cordillera
, a ring-shaped mountain range that surrounds the immense Mare Orientale
impact basin.
The southwestern half of this walled plain has been heavily damaged by the mass of ejecta from Mare Orientale. This material forms an irregular striation in the surface that is radial to the Mare Orientale basin. As a result only the northeast part of the crater is somewhat intact; the remainder just forms an uneven depression in the surface that is covered in long ridges and gouges. The most notable feature in this section is the small bowl-shaped crater Lagrange D.
The surviving section of the rim is worn and eroded, forming an arc-shaped range of low ridges in the surface. The interior floor in this section is relatively level, but even this surface contains traces of the Mare Orientale ejecta.
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 crater Piazzi
Piazzi (crater)
Piazzi is a lunar crater that is located near the southwestern limb of the Moon, and is attached to the southeastern rim of the walled plain Lagrange. About three crater diameters to the south is the crater Inghirami...
. It lies near the southwestern limb 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...
, and the appearance is oblong due to foreshortening. To the northwest of this feature is the Montes Cordillera
Montes Cordillera
Montes Cordillera is a mountain range on the Moon. This feature forms the outer wall of peaks that surround the Mare Orientale impact basin, the inner ring being formed by the Montes Rook...
, a ring-shaped mountain range that surrounds the immense Mare Orientale
Mare Orientale
Mare Orientale is one of the most striking large scale lunar features, resembling a target ring bull's-eye. Located on the extreme western edge of the lunar nearside, this impact basin is difficult to see from an Earthbound perspective.Material from this basin was not sampled by the Apollo program...
impact basin.
The southwestern half of this walled plain has been heavily damaged by the mass of ejecta from Mare Orientale. This material forms an irregular striation in the surface that is radial to the Mare Orientale basin. As a result only the northeast part of the crater is somewhat intact; the remainder just forms an uneven depression in the surface that is covered in long ridges and gouges. The most notable feature in this section is the small bowl-shaped crater Lagrange D.
The surviving section of the rim is worn and eroded, forming an arc-shaped range of low ridges in the surface. The interior floor in this section is relatively level, but even this surface contains traces of the Mare Orientale ejecta.
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 Lagrange.| Lagrange | Latitude | Longitude | Diameter |
|---|---|---|---|
| A | 32.5° S | 69.2° W | 6 km |
| B | 31.4° S | 61.5° W | 16 km |
| C | 29.8° S | 64.9° W | 23 km |
| D | 34.9° S | 72.5° W | 11 km |
| E | 29.1° S | 72.6° W | 46 km |
| F | 32.8° S | 67.4° W | 14 km |
| G | 28.5° S | 62.7° W | 18 km |
| H | 29.5° S | 66.2° W | 11 km |
| J | 34.0° S | 68.9° W | 8 km |
| K | 30.7° S | 70.3° W | 31 km |
| L | 32.1° S | 65.1° W | 18 km |
| N | 32.1° S | 73.8° W | 31 km |
| R | 31.3° S | 76.5° W | 130 km |
| S | 33.9° S | 74.6° W | 12 km |
| T | 33.0° S | 62.6° W | 12 km |
| W | 33.0° S | 63.7° W | 56 km |
| X | 28.7° S | 69.2° W | 9 km |
| Y | 28.2° S | 68.4° W | 16 km |
| Z | 32.6° S | 64.6° W | 13 km |