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PEP_OFFAll sensors off, only survival heaters onPEP
PEP_GANYMEDE_DEPARTURE_NIM All sensors on. NIM in a different mode than during approach.PEP
PEP_EUROPA_DEPARTURE_NIMAll sensors on. NIM in a different mode than during approach.PEP
PEP_IDLEPEP in IDLE mode PEP
PEP_CALLISTO_DEPARTURE_NIMAll sensors on. NIM in a different mode than during approachPEP
PEP_JUPITER_EQUATORIAL_DLMode for ensuring continuous coverage for in-situ particle plasma measurements while optimizing power and data volume. Should be on during downlink too. JDC and JEI on. Applies also to Jupiter High Inclination for now.PEP
PEP_SCIENCE_LPAn observation with a low power mode for PEP PEP
PEP_SENSORS_STBYPEP in standbyPEP
PEP_GCO500_LOW_RATELow-rate mode to ensure continuous plasma measurements and to be on during off-nadir downlinks.PEP
PEP_GCO500_HIGH_RATEPEP high-resolution mode for detailed measurements over regions of interest such as polar cap boundariesPEP
PEP_GCO5000_LOW_RATELow-rate mode to ensure continuous plasma measurements and to be on during off-nadir downlinks.PEP
PEP_GCO5000_HIGH_RATEPEP Mode focussed on in-situ measurements of upstream plasma conditions and boundaries in Ganymede’s magnetospherePEP
PEP_GEO_LOW_RATELow-rate mode to ensure continuous plasma measurements and to be on during off-nadir downlinks.PEP
PEP_GEO_HIGH_RATEPEP Mode focussed on in-situ measurements of upstream plasma conditions and boundaries in Ganymede’s magnetospherePEP
PEP_GANYMEDE_FAR_DEPARTUREFor now same as Far Approach Mode. All sensors on except JNA.PEP
PEP_GANYMEDE_DEPARTUREAll sensors on except NIM.PEP
PEP_GANYMEDE_CLOSEST_APPROACHMode centered around CA, all sensors onPEP
PEP_GANYMEDE _APPROACHMode before CA Mode, All sensors onPEP
PEP_GANYMEDE_FAR_APPROACHMode 8-12h before CA of Ganymede All sensors on, except JNA.PEP
PEP_CALLISTO_FAR_DEPARTUREFor now same as Far Approach Mode. All sensors on except JNA. PEP
PEP_CALLISTO_DEPARTUREAll sensors on except NIM.PEP
PEP_CALLISTO_CLOSEST_APPROACHMode centered around CA, all sensors onPEP
PEP_CALLISTO_APPROACHMode before CA Mode, All sensors onPEP
PEP_CALLISTO_FAR_APPROACHMode 8-12h before CA of Europa. All sensors on, except JNA.PEP
PEP_EUROPA_FAR_DEPARTUREFor now same as Far Approach Mode. All sensors on except JNA.PEP
PEP_EUROPA_DEPARTUREAll sensors on except NIM.PEP
PEP_EUROPA_CLOSEST_APPROACHMode centered around CAPEP
PEP_EUROPA_APPROACHMode before CA Mode, All sensors onPEP
PEP_EUROPA_FAR_APPROACHMode 8-12h before CA of Europa All sensors on, except JNA.PEP
PEP_JUPITER_LOW_RATE_IMAGING High inclination ENA imaging mode (JNA/JENI on + simultaneous in-situ monitoring by JDC/JEI/JoEE) PEP
PEP_JUPITER_HIGH_RATE_IMAGINGHigh inclination ENA imaging mode (JNA/JENI on + simultaneous in-situ monitoring by JDC/JEI/JoEE) PEP
PEP_JUPITER_MEDIUM_RATE_IMAGINGHigh inclination ENA imaging mode (JNA/JENI on + simultaneous in-situ monitoring by JDC/JEI/JoEE) PEP
OBSOLETE_PEP_JUPITER_HIGH_INCLINATION_HIGH_RATEFor now same as PEP_JUPITER_EQUATORIAL_MEDIUM_RATE_IN_SITUPEP
PEP_JUPITER_EQUATORIAL_TORUS_CROSSINGAll sensors, except JNA, on in medium to low rates. Prime objective is for NIM to measure torus composition in-situ. Other sensors to measure indicators that can be used to constrain the densities. Applies also to Jupiter High Inclination for now.PEP
PEP_JUPITER_EQUATORIAL_LOW_RATEMode for ensuring continuous coverage while optimizing power and data volume. Consists of three sub-modes each of which is run separately: Plasma (JDC and JEI), energetic particles (JENI and JoEE) or ENA (JENI and JNA). Applies also to Jupiter High Inclination for now. PEP
PEP_JUPITER_EQUATORIAL_MEDIUM_RATE_IMAGINGJENI and JNA in imaging modes. In-situ as above.PEP
PEP_JUPITER_EQUATORIAL_MEDIUM_RATE_IN_SITUTargets are plasma moments, flows, pressure, etc…JENI in ion mode and JNA off.PEP
PEP_JUPITER_EQUATORIAL_HIGH_RATEHigh-resolution mode for resolving boundary crossings, fast flow bursts, etc. All sensors in in-situ mode except JNA.PEP
PEP_JOIPlasma and energetic particles measurements throughout closest approach with TBD ENA imaging.PEP
PEP_JUPITER_APPROACHPEP will monitor solar wind while imaging the Jovian magnetosphere in ENAs for 6 months before JOI-JDC or JEI / JNA and JENI onPEP

40 observation definitions