cheta.derived#

Derived Parameters

The engineering archive has pseudo-MSIDs that are derived via computation from telemetry MSIDs. All derived parameter names begin with the characters DP_ (not case sensitive as usual). Otherwise there is no difference from standard MSIDs.

Submodules#

Classes#

`DP_DPA_POWER`	ACIS total DPA-A and DPA-B power
`DP_DEA_POWER`	ACIS DEA power
`DP_PSMC_POWER`	ACIS PSMC power
`DerivedParameter`
`DerivedParameterEps`
`DP_BATT1_TAVE`	Battery 1 Average Temperature. Derived from average of all three battery temperature sensors.
`DP_BATT2_TAVE`	Battery 2 Average Temperature. Derived from average of all three battery temperature sensors.
`DP_BATT3_TAVE`	Battery 3 Average Temperature. Derived from average of all three battery temperature sensors.
`DP_EPOWER1`	Bus Power = ELBI_LOW * ELBV
`DP_MYSAPOW`	-Y Solar Array Power = ESAMYI * ELBV
`DP_PYSAPOW`	+Y Solar Array Power = ESAPYI * ELBV
`DerivedParameterOrbit`
`DP_SEMI_MAJOR_AXIS`	Orbital element: semi-major axis (m)
`DP_ORBIT_PERIOD`	Orbital element: period (sec)
`DP_ECCENTRICITY`	Orbital element: eccentricity
`DP_INCLINATION`	Orbital element: inclination (degrees)
`DP_ASCENDING_NODE`	Orbital element: right ascension of ascending node (degrees)
`DP_ARGUMENT_PERIGEE`	Orbital element: argument of perigee (degrees)
`DP_MEAN_ANOMALY`	Orbital element: mean anomaly (degrees)
`DP_PERIGEE_RADIUS`	Orbit perigee based on orbital elements (m)
`DP_APOGEE_RADIUS`	Orbit apogee based on orbital elements (m)
`DerivedParameterPcad`
`DP_CSS1_NPM_SUN`	Coarse Sun Sensor Counts 1 filtered for NPM and SA Illuminated
`DP_CSS2_NPM_SUN`	Coarse Sun Sensor Counts 2 filtered for NPM and SA Illuminated
`DP_CSS3_NPM_SUN`	Coarse Sun Sensor Counts 3 filtered for NPM and SA Illuminated
`DP_CSS4_NPM_SUN`	Coarse Sun Sensor Counts 4 filtered for NPM and SA Illuminated
`DP_FSS_CSS_ANGLE_DIFF`	Angle between FSS and CSS Sun Vectors [Deg]
`DP_MAN_ANG`	Maneuver Angle (Total) [deg]
`DP_ONE_SHOT`	One Shot [arcsec]
`DP_PITCH`	Sun Pitch Angle from Predictive Ephemeris in ACA Frame [deg]
`DP_PITCH_CSS`	Sun Pitch Angle from CSS Data in ACA Frame [Deg]
`DP_PITCH_CSS_SA`	Sun Pitch Angle from CSS Data in SA Frame [Deg]
`DP_PITCH_FSS`	Sun Pitch Angle from FSS Data in ACA Frame [Deg]
`DP_ROLL`	Off-Nominal Roll Angle in ACA Frame [Deg]
`DP_ROLL_CSS`	Off-Nominal Roll Angle from CSS Data in ACA Frame [Deg]
`DP_ROLL_CSS_SA`	Sun Roll Angle from CSS Data in SA Frame [Deg]
`DP_ROLL_FSS`	Off-Nominal Roll Angle from FSS Data in ACA Frame [Deg]
`DP_RW_MOM_TOT`	Total Reaction Wheel Momentum [Ft-Lb-Sec]
`DP_RW1_DELTA_TEMP`	Difference between Reaction Wheel 1 Compartment and Bearing Temperature
`DP_RW2_DELTA_TEMP`	Difference between Reaction Wheel 2 Compartment and Bearing Temperature
`DP_RW3_DELTA_TEMP`	Difference between Reaction Wheel 3 Compartment and Bearing Temperature
`DP_RW4_DELTA_TEMP`	Difference between Reaction Wheel 4 Compartment and Bearing Temperature
`DP_RW5_DELTA_TEMP`	Difference between Reaction Wheel 5 Compartment and Bearing Temperature
`DP_RW6_DELTA_TEMP`	Difference between Reaction Wheel 6 Compartment and Bearing Temperature
`DP_SA_ANG_AVG`	Average Solar Array Angle [Deg]
`DP_SUN_XZ_ANGLE`	Angle between Sun and ACA X/Z plane [Deg]
`DP_SYS_MOM_TOT`	Total System Momentum [Ft-Lb-Sec]
`DerivedParameterTest`
`DP_TEST1`
`DP_TEST2`
`DP_TEST3`
`DerivedParameterThermal`
`DP_EE_AXIAL`
`DP_EE_BULK`
`DP_EE_DIAM`	Kodak diametrical encircled energy
`DP_EE_RADIAL`
`DP_EE_THERM`
`DP_HAAG`
`DP_HARG`
`DP_HMAX35`
`DP_HMCSAVE`
`DP_HMIN35`
`DP_HRMA_AVE`
`DP_HRMHCHK`
`DP_OBAAG`
`DP_OBAAGW`
`DP_OBACAVE`
`DP_OBACAVEW`
`DP_OBADIG`
`DP_OBADIGW`
`DP_OBA_AVE`
`DP_OMAX34`
`DP_OMIN34`
`DP_P01`	Zone 1 heater power
`DP_P02`
`DP_P03`
`DP_P04`
`DP_P05`
`DP_P06`
`DP_P07`
`DP_P08`
`DP_P09`
`DP_P10`
`DP_P11`
`DP_P12`
`DP_P13`
`DP_P14`
`DP_P15`
`DP_P16`
`DP_P17`
`DP_P18`
`DP_P19`
`DP_P20`
`DP_P23`
`DP_P24`
`DP_P25`
`DP_P26`
`DP_P27`
`DP_P28`
`DP_P29`
`DP_P30`
`DP_P31`
`DP_P32`
`DP_P33`
`DP_P34`
`DP_P35`
`DP_P36`
`DP_P37`
`DP_P38`
`DP_P39`
`DP_P40`
`DP_P41`
`DP_P42`
`DP_P43`
`DP_P44`
`DP_P45`
`DP_P46`
`DP_P47`
`DP_P48`
`DP_P49`
`DP_P50`
`DP_P51`
`DP_P52`
`DP_P53`
`DP_P54`
`DP_P55`
`DP_P57`
`DP_P58`
`DP_P59`
`DP_P60`
`DP_P61`
`DP_P62`
`DP_P63`
`DP_P64`
`DP_P65`
`DP_P66`
`DP_P67`
`DP_P68`
`DP_P69`
`DP_P75`
`DP_P76`
`DP_P77`
`DP_P78`
`DP_P79`
`DP_P80`
`DP_PABH`
`DP_PAFTCONE`
`DP_PAFTCYL`
`DP_PAHP`
`DP_PCONE`
`DP_PFAP`
`DP_PFWDCONE`
`DP_PFWDCYL`
`DP_PHRMA`
`DP_PHRMASTRUTS`
`DP_PIC`
`DP_PMIDCONE`
`DP_PMNT`
`DP_POBAT`
`DP_POC`
`DP_PPL10`
`DP_PRADVNT`
`DP_PSCSTRUTS`
`DP_PTFTE`
`DP_PTOTAL`
`DP_SUNANGLE`
`DP_TABMAX`
`DP_TABMIN`
`DP_TELAB_AVE`
`DP_TELHS_AVE`
`DP_TELSS_AVE`
`DP_THSMAX`
`DP_THSMIN`
`DP_TILT_AXIAL`
`DP_TILT_BULK`
`DP_TILT_DIAM`
`DP_TILT_MAX`
`DP_TILT_RSS`
`DP_TSSMAX`
`DP_TSSMIN`
`DP_HADG`
`DP_ABH_DUTYCYCLE`

Functions#

`times_indexes`(start, stop, dt)
`calc_orbital_elements`(x, y, z, vx, vy, vz)	Calculate orbital elements given input position (x, y, z) in m and
`qmult`(q1, q2)	Multiply two quaternions or arrays of quaternions
`qrotate`(q, r)	Rotate a vector by a quaternion
`arccos_clip`(x)
`sun_vector_body`(data[, predictive])	Calculate the normalized sun vector in body coordinates.
`calc_sun_vec_body_css`(data[, safe_mode])	Calculate the normalized sun vector in body coordinates using CSS data.