Macrobius (crater)

Macrobius

Apollo 17 mapping camera image
Coordinates 21°18′N 46°00′E / 21.3°N 46.0°E / 21.3; 46.0Coordinates: 21°18′N 46°00′E / 21.3°N 46.0°E / 21.3; 46.0
Diameter 64 km
Depth 3.9 km
Colongitude 314° at sunrise
Eponym Macrobius
Oblique view from Apollo 17
Macrobius at center, near the terminator as viewed from Earth, with Mare Crisium to the right

Macrobius is a prominent lunar impact crater located to the northwest of the Mare Crisium. It lies on the southeast edge of the Lacus Bonitatis, a small lunar mare. The somewhat smaller crater Tisserand lies just to the east.

The outer wall of Macrobius has a multiply terraced inner surface, with some slumping along the top of the rim. The small satellite crater Macrobius C lies across the western rim, but the wall is otherwise relatively free of significant wear. In the center of the floor is a central mountain complex. There is a low ridge in the western interior, but the remainder of the floor is relatively level.

Satellite craters

By convention these features are identified on lunar maps by placing the letter on the side of the crater midpoint that is closest to Macrobius.

Macrobius Latitude Longitude Diameter
C 20.8° N 45.0° E 10 km
E 18.7° N 46.8° E 10 km
F 22.5° N 48.5° E 11 km
K 21.5° N 40.2° E 12 km
M 25.0° N 41.0° E 42 km
N 22.8° N 40.8° E 5 km
P 23.0° N 39.5° E 18 km
Q 20.4° N 47.6° E 9 km
S 23.3° N 49.6° E 26 km
T 23.8° N 48.6° E 29 km
U 25.0° N 42.8° E 6 km
V 25.4° N 43.3° E 5 km
W 24.8° N 44.6° E 26 km
X 23.0° N 42.2° E 4 km
Y 23.6° N 42.2° E 5 km
Z 24.3° N 42.6° E 5 km

The following craters have been renamed by the IAU.

References

  • Andersson, L. E.; Whitaker, E. A. (1982). NASA Catalogue of Lunar Nomenclature. NASA RP-1097. 
  • Blue, Jennifer (July 25, 2007). "Gazetteer of Planetary Nomenclature". USGS. Retrieved 2007-08-05. 
  • Bussey, B.; Spudis, P. (2004). The Clementine Atlas of the Moon. New York: Cambridge University Press. ISBN 978-0-521-81528-4. 
  • Cocks, Elijah E.; Cocks, Josiah C. (1995). Who's Who on the Moon: A Biographical Dictionary of Lunar Nomenclature. Tudor Publishers. ISBN 978-0-936389-27-1. 
  • McDowell, Jonathan (July 15, 2007). "Lunar Nomenclature". Jonathan's Space Report. Retrieved 2007-10-24. 
  • Menzel, D. H.; Minnaert, M.; Levin, B.; Dollfus, A.; Bell, B. (1971). "Report on Lunar Nomenclature by the Working Group of Commission 17 of the IAU". Space Science Reviews. 12 (2): 136–186. Bibcode:1971SSRv...12..136M. doi:10.1007/BF00171763. 
  • Moore, Patrick (2001). On the Moon. Sterling Publishing Co. ISBN 978-0-304-35469-6. 
  • Price, Fred W. (1988). The Moon Observer's Handbook. Cambridge University Press. ISBN 978-0-521-33500-3. 
  • Rükl, Antonín (1990). Atlas of the Moon. Kalmbach Books. ISBN 978-0-913135-17-4. 
  • Webb, Rev. T. W. (1962). Celestial Objects for Common Telescopes (6th revised ed.). Dover. ISBN 978-0-486-20917-3. 
  • Whitaker, Ewen A. (1999). Mapping and Naming the Moon. Cambridge University Press. ISBN 978-0-521-62248-6. 
  • Wlasuk, Peter T. (2000). Observing the Moon. Springer. ISBN 978-1-85233-193-1. 
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