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 |
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Pixel Scale (nadir) |
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Image frame width (km) |
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Optics |
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Effective FL |
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Entrance Pupil Diameter |
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FOV |
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System MTF (Nyquist) | 0.37 |
Electronics | 4 circuit boards |
Detector | Kodak KAI-1001 |
Pixel format | 1024 x 1024 |
Noise | 66±4 e− |
Mass | 0.9 kg |
Volume (width × length × height) | 15.8 cm x 23.2 cm x 32.3 cm (incl. radiator) |
Peak Power | 2.7 W |
Average Power | 2.6 W |
Filters |
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Detector Digitization | 11-bit, encoded to 8-bit |
*At an altitude of 50 km
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: May 8th, 2013)
More detailed technical information on LROC is available here.