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Neptune – Enhanced Color

Neptune - Enhanced Color

About the Object

  • Distance
    DistanceThe physical distance from Earth to the astronomical object. Distances within our solar system are usually measured in Astronomical Units (AU). Distances between stars are usually measured in light-years. Interstellar distances can also be measured in parsecs.
    The semi-major axis of Neptune's orbit about the Sun is 30.06 Astronomical Units (A.U.) or roughly 4.5 billion km.
  • Dimensions
    DimensionsThe physical size of the object or the apparent angle it subtends on the sky.
    Neptune has a diameter of roughly 30,800 miles (49,600 km) at the equator.

About the Data

  • Data Description
    Data DescriptionProposal: A description of the observations, their scientific justification, and the links to the data available in the science archive.
    Science Team: The astronomers who planned the observations and analyzed the data. "PI" refers to the Principal Investigator.
    10423: H.B. Hammel (Space Science Institute, Boulder, CO) and E. Karkoschka (University of Arizona)
  • Instrument
    InstrumentThe science instrument used to produce the data.
    HST>ACS/HRC
  • Exposure Dates
    Exposure DatesThe date(s) that the telescope made its observations and the total exposure time.
    April 29 and 30, 2005
  • Filters
    FiltersThe camera filters that were used in the science observations.
    F250W, F330W, F435W, F475W, F550M, F625W, F658N, F775W, F814W, F850LP, F892N, and FR914M
  • Object Name
    Object NameA name or catalog number that astronomers use to identify an astronomical object.
    Neptune
  • Object Description
    Object DescriptionThe type of astronomical object.
    Planet
  • Release Date
    September 1, 2005
  • Science Release
    Hubble Makes Movie of Neptune’s Dynamic Atmosphere
    Read the release
  • Credit
    NASA, ESA, E. Karkoschka (University of Arizona), and H.B. Hammel (Space Science Institute, Boulder, Colorado)

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Related Images & Videos

Neptune's Dynamic Atmosphere

Neptune's Dynamic Atmosphere

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This time-lapse movie of Neptune was assembled from combining NASA Hubble Space Telescope images taken over a 15-hour period. The movie shows a dynamic atmosphere and captures the fleeting orbits of Neptune's satellites. The natural color and enhanced color views of Neptune were...

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Details

Last Updated
Mar 28, 2025
Contact
Media

Claire Andreoli
NASA’s Goddard Space Flight Center
Greenbelt, Maryland
claire.andreoli@nasa.gov

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