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LROC Specs:


Two Narrow Angle Cameras

Pixel Scale 0.5 meter per pixel (10 micro-radian IFOV)*
Maximum Image size 2.5 x 26 km*
Optics f/3.59 Cassegrain (Ritchey-Chretien)
Effective FL 700 mm
Primary Mirror Diameter 195 mm
FOV 2.85° per NAC
MTF (Nyquist) > 0.23
Structure + baffle graphite-cyanate composite
Detector Kodak KLI-5001G
Pixel format 1 x 5,064
Noise 76 e-
A/D Converter Honeywell ADC9225
FPGA Actel RT54SX32-S
Mass 8.2 kg per NAC
Volume 70 cm x 27 cm diameter
Peak Power 9.3 W
Average Power 6.4 W
Sensitivity 400-750 nm
Voltage 28 V DC
Radiometric Accuracy 1% relative, 10% absolute
Detector Digitization 12-bit, encoded to 8-bit

*At an altitude of 50 km

Wide Angle Camera

Image format
  • 1024 x 14 pixels monochrome (push frame)
  • 704 x 14 pixels 5-filter (visible, push frame)
  • 128 x 4 2-filter UV color
Pixel Scale (nadir)
  • 1.50 milli-radian, 75 meters/pixel (visible)*
  • 7.67 milli-radian, 385 meters/pixel (UV, 4x4 binned)*
Image frame width (km)
  • 105 km (visible monochrome)*
  • 60 km (visible color)*
  • 57 km (UV)*
Optics
  • f/5.05 (visible)
  • f/5.65 (UV)
Effective FL
  • 6.0 mm (visible)
  • 4.7 mm (UV)
Entrance Pupil Diameter
  • 1.19 mm (visible)
  • 0.85 mm (UV)
FOV
  • 92° (monochrome)
  • 61° (visible)
  • 59° (UV)
System MTF (Nyquist)0.37
Electronics4 circuit boards
DetectorKodak KAI-1001
Pixel format1024 x 1024
Noise66±4 e−
Mass0.9 kg
Volume (width × length × height)15.8 cm x 23.2 cm x 32.3 cm (incl. radiator)
Peak Power2.7 W
Average Power2.6 W
Filters
  • #1 - 321 nm
  • #2 - 360 nm
  • #3 - 415 nm
  • #4 - 566 nm
  • #5 - 604 nm
  • #6 - 643 nm
  • #7 - 689 nm

*At an altitude of 50 km

Sequence and Compressor System (SCS)

FPGAXilinx XQR2V3000
InterfacesSpacewire, LVDS
Power SupplyInterpoint SMSA2805S
Mass1.2 kg
Volume16.8 cm x 11.4 cm x 4.45 cm
Peak Power4.5 W
Average Power4.0 W
Softwaredeveloped by MSSS (flight proven)

(specifications last updated: May 8th, 2013)

More detailed technical information on LROC is available here.