Lunar Reconnaissance Orbiter Camera
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What is LROC: Tech Specs

Two Narrow Angle Cameras (NAC)


NAC Optics (cut-away)
NAC Optics and Electronics

Image 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
Electronics
Detector Kodak KLI-5001G
Pixel format 1 x 5,064
Noise 76 e-
A/D Converter Honeywell ADC9225
FPGA Actel RT54SX32-S
Mass 16.4kg (both)
Volume 70 cm x 27 cm diameter
Peak Power 9.3 W
Average Power 6.4 W
Sensitivity 400-750 nm

Wide Angle Camera (WAC)





Image format 1024 x 14 pixels monochrome (push frame)
704 x 14 pixels 7-filter (vis) (push frame)
128 x 4 2-filter UV color
Image scale 1.5 milli-radian, 74.3 meters/pixel nadir (vis)
7.67 milli-radian, 383.5 meters/pixel nadir (UV, 4x binned)
Image frame width (km)104.6 km (vis monochrome)
59.6 km (vis color)
56.8 km (UV)
Opticsf/5.05(vis)
f/5.65 (UV)
Effective FL6.0 mm (vis), 4.7 mm (UV)
Entrance Pupil Diameter1.19 mm (vis), 0.85 mm (UV)
FOV91.7° (vis) / 61.4° (color)
60° (UV)
System MTF (Nyquist)> 0.37
Electronics4 circuit boards
DetectorKodak KAI-1001
Pixel format1,024 x 1,024
Noise72 e-
Mass0.9 kg
Volume15.8 cm x 23.2 cm x 32.3 cm
(incl. radiator)
Peak Power2.7 W
Average Power2.6 W
Filters#1 - 320 nm
#2 - 360 nm
#3 - 415 nm
#4 - 565 nm
#5 - 605 nm
#6 - 645 nm
#7 - 690 nm

Sequence and Compressor System (SCS)


FPGA Xilinx XQR2V3000
Interfaces Spacewire, LVDS
Power supply Interpoint SMSA2805S
Mass 1.2 kg
Volume 16.8 cm x 11.4 cm x 4.45 cm
Peak Power 4.5 W
Average Power 4.0 W
Software developed by MSSS (flight proven)

(specifications last updated: March 16th, 2009)