1. Accommodation From DoI studies
Jan E. S. Bergman Swedish Institute of Space Physics, Uppsala, Sweden
RPWI Team Meeting
Uppsala, May 9-11, 2012

2. JUICE Spacecraft Dry mass ~1900 kg, propellant ~2900 kg
High Δv required: m/s
Model payload 104 kg, ~120 – 150 W
3-axis stabilized s/c
Power: solar array 60 – 70 m2, 640 – 700 W
HGA: >3 m, fixed to body, X & Ka-band
Data return >1.4 Gb per 8 h pass (one station)
Option 1
Option 2
Option 3

3. Model payload for Fields & Particles
Magnetometer (MAG): 1.8 kg
Radio & Plasma Waves Investigation (RPWI): 11.2 kg
Particle & Plasma Instrument – Ion Neutral Mass Spectrometer (PPI-INMS): 18.2 kg
Total mass: 31.2 kg (out of 104 kg, equals 30%)

4. Option 1

5. Stowed configuration
SSR
MAG Boom
LP PWI

6. Deployed configuration
LP PWI

7. Deployed configuration
RWI

8. Option 2

9. Nadir face

10. Nadir face

11. Option 3
Configuration 1

12. Deployed configuration
MAG
Boom
RWI
SSR
LP PWI
23/07/2010

13. Main engine side
PP DU
RWI
23/07/2010

14. Option 3
Configuration 2

16. SWI PP-MU HRC VIRHIS WAC UVIS SSR DPU JSRT USO RWI LA
LA electronic
unit with
camera DPU
beneath LA
Payload description
MAG ICU

17. PP DU

19. Consequences for the AO response
Two of the three options will be selected before the AO
Payload accommodation will then be open for discussions again
However all three options must be considered meanwhile – that is when we start writing the proposal