TABLE 10

Error budget of the maximum steady-state true navigation error 1σ std. deviation. For a rotating s/c in LEO 50 deg. inc. orbit, with 3 accel., 0.5 m baseline length, large time constant, & high cost model

State nameTotal steady-state True navigation error 1σError source 1Error source 2Error source 3Units
Spacecraft Position Magnitude103.33Accelerometer Error - 68.32Star Camera Noise - 66.11Accelerometer Position - 34.10m
Spacecraft Velocity Magnitude0.11Accelerometer Error - 0.07Star Camera Noise - 0.07Accelerometer Position - 0.04m/s
Spacecraft Attitude Magnitude2.6354 X 10−5Star Camera Noise - 1.8959 × 10−5Accelerometer Error - 1.312 × 10−5Accelerometer Position - 1.1457 × 10−5rad
Spacecraft Angular Velocity Magnitude7.8497 × 10−8Rotational Process Noise - 5.6284 × 10−8Accelerometer Error - 3.4877 × 10−8Accelerometer Position - 3.1892 × 10−8rad/s