jupiter icy moons explorer (juice) status report for · 2016. 8. 19. · juice science introduction...
TRANSCRIPT
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N. Altobelli (on behalf of O. Witasse)
JUpiter Icy Moons Explorer (JUICE)
Status report for
OPAG
JUICE artist impression (Credits ESA, AOES)
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Congratulations to the JUNO team for the successful orbit insertion! Looking forward to the scientific harvest…
Message on behalf of the JUICE Science Working Team
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
The JUICE origins: the COSMIC VISION PROGRAM 2015-2025
Addressing the questions raised by the european scientific community in Astronomy, Solar System exploration and fundamental physics Large/medium/small size missions to be launched
between 2015 and 2025
JUICE evolved from former EJSM concept JUICE: first L-class mission, adopted by end 2014
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
From Cassini to Juice…
…the icy moons as potential habitat…
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE Scientific Themes (1)
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE Scientific Themes (2)
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE Scientific Themes (3)
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE payload (1)
0.06
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE payload (2)
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE Spacecraft
• 3-axis stabilised • Dry mass ~2200 kg ; Fuel ~ 2800 kg • Solar array 97 m2 • Power at Jupiter ~ 850 W • Fixed High Gain Antenna (X, Ka Bands) • Steerable Medium Gain Antenna (X, Ka Bands) • Data Volume ~ 1.4 Gb per day
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE Project current milestones
• March 2016: Mission and System Requirements Review successfully completed
• 2016 (ongoing): Instrument PDRs
• December 2016: Start of the spacecraft PDR
Schedule on track for a launch in May 2022 with Ariane 5 from Kourou
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Mission Profile (updates compared to last year OPAG)
Launch May 2022
Interplanetary transfer (Earth-Venus-Earth-Mars-Earth)
7.6 years
Jupiter orbit insertion October 2029
2 Europa flybys October 2030
Jupiter high-latitude phase Dec 2030-Aug 2031
Transfer to Ganymede Aug 2031-Dec 2032
Ganymede orbit insertion December 2032
Ganymede elliptical orbit/5000 km circular orbit
Dec 2032–May 2033
Ganymede 500 km Circular Orbit
May-Sept 2033
End of mission September 2033
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Icy Moon Flybys: summary
• 2 EUROPA @ 400 km
• 12 GANYMEDE @ 300-50,000 km
• 14 CALLISTO @ 200-3,500 km
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Trajectory: Cruise Phase
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2
3
4
5 6
7
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Trajectory: All orbits viewed from above
1
2
3
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5 6
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Science planning activities • 4 science working groups: responsible for top
level science planning mission segmentation/resource distribution
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
High level science planning on-going
Energy reduction
Europa High latitude
Low energy Orbiting Ganymede
Mission segmentation by science themes by the Working Groups
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Europa flybys: analysis of detailed operational scenarios
Ground tracks optimized to fly over 4 of the 8 regions of interest with good illumination conditions and study leading-trailing dichotomy S/C sub-point velocity wrt surface at CA: 3.25 km/s
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Detailed operations analysis at Europa
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE and the NASA Europa mission
Both projects decided to use the planetocentric East coordinates for the Jovian satellites, so both projects will be consistent.
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
JUICE and Juno
Juno related scientific topics that should be very useful for JUICE: • Updates in the radiation environment (spacecraft and
instrument designs) • New findings about Jupiter’s magnetosphere and plasma
interactions between the Galilean satellites and Jupiter; updates in the magnetic field model (science planning)
• New findings about Jupiter’s atmosphere (science planning)
• Jovian satellites ephemerides (TBC)
JUICE will pick up on Juno science almost exactly one Jovian year after Juno ends Shared heritage and complementarities between Juno and JUICE
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JUICE Science Introduction | D. Titov | SRE-SM | JUICE Kick-off 17.09.2012 |
Thank you for your attention [email protected]