Gärtner (crater)

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Crater characteristics
Coordinates	59.1° N, 34.6° E
Diameter	102 km
Depth	1.3 km
Colongitude	326° at sunrise
Eponym	Christian Gärtner

Gärtner is the lava-flooded remnant of a crater in the northeast part of the Moon. It is located on the northern edge of the Mare Frigoris. The southern half of the formation is completely missing, and Gärtner forms a semi-circular basin along the edges of the lunar mare. To the north lies the Democritus crater.

The surviving parts of the crater rim are heavily worn and eroded, with notches and indentations formed by past impacts. The floor has a few low rises in the northern half. A rille designated Rima Gärtner runs from the mid-point of the crater toward the northeast rim, for a total length of about 30 kilometers. The bowl-shaped craterlet 'Gärtner D' is located near the mid-point between the two ends of the crater rim.

[edit] 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 Gärtner crater.

Gärtner	Latitude	Longitude	Diameter
A	60.7° N	37.8° E	14 km
C	59.4° N	31.0° E	8 km
D	58.5° N	33.9° E	8 km
E	61.5° N	43.8° E	7 km
F	57.5° N	30.1° E	14 km
G	59.5° N	39.8° E	33 km
M	55.5° N	37.0° E	11 km

[edit] References

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• Blue, Jennifer (July 25, 2007). Gazetteer of Planetary Nomenclature. USGS. Retrieved on 2007-08-05.
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• Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes, 6th revision, Dover. ISBN 0-486-20917-2. 
• Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 0-521-62248-4. 
• Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 1852331933.