Error budget of the maximum steady-state true navigation error 1σ std. deviation. For a rotating s/c in Polar LEO orbit, with 3 accel., 0.5 m baseline length, large time constant, & high cost model
State name | Total steady-state true navigation error 1σ | Error source 1 | Error source 2 | Error source 3 | Units |
---|---|---|---|---|---|
Spacecraft Position Magnitude | 77.54 | Accelerometer Error - 69.63 | Accelerometer Position - 28.61 | Star Camera Noise - 11.69 | m |
Spacecraft Velocity Magnitude | 0.08 | Accelerometer Error - 0.07 | Accelerometer Position - 0.03 | Star Camera Noise - 0.01 | m/s |
Spacecraft Attitude Magnitude | 6.0128 × 10−6 | Star Camera Noise - 5.0169 × 10−6 | Accelerometer Error - 2.5929 × 10−6 | Accelerometer Position - 1.7653 × 10−6 | rad |
Spacecraft Angular Velocity Magnitude | 6.3451 × 10−8 | Rotational Process Noise - 5.5115 × 10−8 | Accelerometer Error - 2.0514 × 10−8 | Accelerometer Position - 1.7138 × 10−8 | rad/s |