A GN&C Covariance Analysis Tool (G-CAT) for Descent and Landing

A GN&C Covariance Analysis Tool (G-CAT) for Descent and Landing

The GNC covariance analysis tool (G-CAT) has been developed to support landing/descent/ascent/rendezvous applications in lunar, planetary, and small body missions. G-CAT characterizes on-board knowledge propagation errors associated with Inertial Measurement Unit (IMU) errors (gyro and accelerometer), gravity errors and dispersions (spherical harmonics, masscons), and radar errors (multiple altimeter beams, multiple Doppler velocimeter beams). G-CAT is a stand-alone Matlab-based tool intended to run on any engineer's desktop computer.
Internal Laboratory Ref #: 
NPO-47854-1
Patent Status: 
U.S. Government Purpose Release
Agency
NASA
Region
Far West
State: 
California
Lab Representatives
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