This folder contains SPK files for the Europa Clipper Project.

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PDR baseline trajectory: 17F12_V2

17F12_V2 Summary:
Official Name:  17F12_DIR_L220604_A241223_V2
Ephemerides:  DE430 (Planetary),  JUP310 (Jupiter system)
Spacecraft ID:  -159
 
Interplanetary Trajectory:  
∙ Earth-Jupiter direct 
∙ Launch: 4-Jun-2022
∙ Arrival: 23-Dec-2024
∙ TOF = 2.55 yrs.
 
Jupiter Tour: 
Duration: 3.7 years
Flybys: 
∙ 46 Europa 
∙ 4 Ganymede  
∙ 9 Callisto

Post-PRM Tour ∆V: 182 m/s 

Jupiter Orbits: 70

Total Ionizing Dose (GIRE-2p model; Si behind 100 mil Al; spherical shell): 2.50 Mrad
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Additional trajectories in directory:

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15F10: SRR/MDR baseline trajectory
Interplanetary Trajectory:  
∙ Earth-Jupiter direct 
∙ Launch: 14-Jun-2022
∙ Arrival: 5-Mar-2025
 
Jupiter Tour: 
Duration: 3.4 years
Flybys: 
∙ 42 Europa 
∙ 4 Ganymede  
∙ 8 Callisto
Post-PRM Tour ∆V: 118 m/s 
Jupiter Orbits: 76
Total Ionizing Dose (GIRE-2p model; Si behind 100 mil Al; spherical shell): 2.86 Mrad
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15F09: SRR/MDR secondary trajectory
Interplanetary Trajectory:  
∙ Earth-Venus-Earth-Earth Gravity Assist (EVEEGA)
∙ Launch: 02-Jun-2022
∙ Arrival: 15-Jan-2030
 
Jupiter Tour: 
Duration: 3.3 years
Flybys: 
∙ 40 Europa 
∙ 5 Ganymede  
∙ 8 Callisto
Post-PRM Tour ∆V: 150 m/s 
Jupiter Orbits: 70
Total Ionizing Dose (GIRE-2p model; Si behind 100 mil Al; spherical shell): 2.74 Mrad
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13F7: MCR baseline trajectory; also used for Instrument Concepts for Europa Exploration (ICEE) solicitation activity.

Interplanetary Trajectory:  
∙ Venus-Earth-Earth Gravity Assist (VEEGA)
∙ Launch: 4-Jun-2021
∙ Arrival: 23-Dec-2024
 
Jupiter Tour: 
Duration: 3.5 years
Flybys: 
∙ 45 Europa 
∙ 5 Ganymede  
∙ 9 Callisto

Post-PRM Tour ∆V: 164 m/s 

Jupiter Orbits: 76

Total Ionizing Dose (GIRE-2p model; Si behind 100 mil Al; spherical shell): 2.82 Mrad
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Last Updated: 4.1.19, B. Buffington
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