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Lunar Reconnaissance Orbiter Camera (LROC)

Lunar Reconnaissance Orbiter Camera (LROC). Small Impactor Hazard. Mark Robinson, PI Arizona State University School of Earth and Space Exploration. Landing Site Selection. Regolith Properties. Surface Operations Planning. Resource Mapping. LROC Measurement Objectives.

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Lunar Reconnaissance Orbiter Camera (LROC)

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  1. Lunar ReconnaissanceOrbiter Camera (LROC) Small Impactor Hazard Mark Robinson, PI Arizona State University School of Earth and Space Exploration Landing Site Selection Regolith Properties Surface Operations Planning Resource Mapping

  2. LROC Measurement Objectives 1. Sub-meter resolution imaging to select landing sites 2. Repeat imaging (100 m/pixel) of poles to identify regions of permanent shadow and (nearly?) continuous illumination 3. Meter-scale mapping of polar regions with (nearly?) continuous illumination 4. Overlapping observations to enable derivation of meter-scale topography 5. Global multispectral imaging for mineralogy and resource identification 6. Global morphology base map with high quality control 7. Characterize regolith (lunar soil) properties 8. Determine current impact hazard by re-imaging Apollo era images to count new craters SCS NAC WAC

  3. LROC Team • Mark Robinson, Arizona State Univ. • Eric Eliason, University Arizona • Harald Hiesinger, Brown University • Brad Jolliff, Washington University • Mike Malin, MSSS • Alfred McEwen, University Arizona • Peter Thomas, Cornell University • Elizabeth Turtle, University Arizona • Scott Brylow, MSSS >100 years NASA space exploration experience LROC: high resolution BW, global color

  4. LROC Instrument Overview • Two Narrow Angle Cameras (NACs) for Landing Site Certification • One Wide Angle Camera (WAC) to Monitor Polar Lighting and Map Resources • Sequence and Compressor System (SCS) to manage camera commands & data WAC NAC

  5. NAC StatusMarch 2007 • Secondary mirror assembly completed for SN1 • All structures delivered from Vanguard to LWO • All mirrors surfaced • Third set of coated mirrors back to LWO from Denton • Will be reviewing ATP upon receipt from LWO Metering structure in foreground with secondary mirror supports. Optical bench in background with hub bonded, secondary mirror housing visible at right.

  6. WAC Status • First unit in completed assembly state (i.e., UV and vis lenses attached to prism housing) here seen on the test setup for Back Focus Distance • ATP was reviewed with Dan & Don and the recently commented copy provided • Expecting delivery from LWO in early March

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