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News Release Archive:

News Release 380 of 938

October 31, 2005 12:45 PM (EST)

News Release Number: STScI-2005-19

NASA's Hubble Reveals Possible New Moons Around Pluto

Technical facts about this news release:

About the Object
Object Name: Pluto
Object Description: Planet
Distance: Although its orbit is highly eccentric, Pluto's average distance from the Sun is 39.44 Astronomical Units (A.U.) or roughly 3.6 billion miles (5.9 billion kilometers).
Dimensions: Pluto has a diameter of roughly 1,475 miles (2,280 km) at the equator.
About the Data
Data Description: These HST data are from proposal 10427: H.A. Weaver (JHU/APL), M.W. Buie (Lowell Obs.), S.A. Stern, J.R. Spencer, E. Young, and L.A. Young (SwRI); and proposal 9391: M.W. Buie and W.M. Grundy (Lowell Obs.), E. Young, L.A. Young, and S.A. Stern (SwRI). M. Mutchler (STScI) and A.J. Steffl (SwRI) are also on the science team.
Instrument: ACS/WFC ACS/HRC
Exposure Date(s): May 15/18, 2005 various dates in 2002 and 2003
Filters: F606W (V) F475W (B) and F555W (V)
About the Image
Image Credit: NASA, ESA, H. Weaver (JHU/APL), A. Stern (SwRI), and the HST Pluto Companion Search Team
Release Date: October 31, 2005
Orientation: The Pluto System -- May 15, 2005