Ceres: December 30, 2003 16:21 UT

Image Details

About The Object
Object Name	Ceres, 1 Ceres
Object Description	Minor Body in the Main Asteroid Belt
Distance	The semi-major axis of Ceres' orbit about the Sun is 2.77 Astronomical Units (A.U.) or roughly 257 million miles (414 million kilometers). At the time of the Hubble observations, Ceres was roughly 1.63 A.U. from Earth.
Dimensions	Ceres is has a mean diameter of approximately 590 miles (950 kilometers). The object has a 974.6 km diameter at the equator and a slightly smaller diameter (909.4 km) pole-to-pole.
About The Data
Data Description	This image was created from data from the HST proposal : J. Parker (Southwest Research Institute), L. McFadden (University of Maryland), C. Russell (University of California, Los Angeles), A. Stern (Southwest Research Institute), M. Sykes (University of Arizona), P. Thomas (Cornell University) and E. Young (Southwest Research Institute).
Instrument	HST>ACS/HRC
Exposure Dates	December 30, 2003 16:21 UT
Filters	F330W (U) and F555W (V)
About The Image
Color Info	This image is a composite of many separate exposures made by the ACS HRC instrument on the Hubble Space Telescope using several different filters. Two filters were used to sample broad wavelength ranges. The color results from assigning different hues (colors) to each monochromatic image. In this case, the assigned colors are: Blue: F330W (U) Red/orange: F555W (V)

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