CASSINI In Space

 

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CASSINI

Cassini MIMI Investigation at Fundamental Technologies

 

 Historical MIMI Memos and Notes

 

MIMI/LEMMS 180 Degree End (Obverse)

 

Passband Summary

 

CHANNEL ELECTRONS
MeV
PROTONS
MeV
ALPHAS
MeV/Nuc.
CARBON
MeV/Nuc.
OXYGEN
MeV/Nuc.
IRON
MeV/Nuc.
P1 X X X X X X
P2 X X X X X X
P3 X X X X X X
P4 X X X X X X
P5 X X X X X X
P6 X X X X X X
P7 X 39.0-44.9 55.5-153. X X X
P8 X 48.0-71.0 154. 501. X X X
P9 X 71.0-169 >501. X X X
E1 X X X X X X
E2 X X X X X X
E3 X X X X X X
E4 X X X X X X
E5 2.951-1000. 429-495 X X X X
E6 X >495 X X X X
E7 2.567-1000. 105-369 X X X X
H1 X X X X 2.95-3.40 3.164-3.40
H2 X X X 119-205 222-552 X
H3 X X 39.0-48.1 119-696 >222 X
H4 X X 48.1-55.5 >696 X X
H5 X 20.8-25.6 55.5-82.8 X X X
Z1 X X X X X X
Z2 X X X X X X
Z3 X X X 73.1-119 90.1-222. >157
D1 82.5-1000. >41-962 >41.8 >78.3 >90.1 >168
D2 3.4-1000. >39.0 >39.0 >73.1 >90.1 >157
D3 2.75-1000. >33.9 >33.9 >63.6 >78.3 >146
D4 2.57-1000. >31.6 >31.6 >59.3 >72.1 >137
B   >3.9 >3.9 >7.3 >8.4 >11.9

 

Absorber Stack

 

ABSORBER NAME CONTACT A B ABS. D4 D3 D2 D1
ABS. THICKNESSES,MICRONS 0.1 150.0 700.0 1000.0 700.0 1400.0 700.0 150.0
ABSORBER MATERIAL ALUM. SILICON SILICON GOLD SILICON SILICON SILICON SILICON
THICKNESS VAR'N,MICRONS 0.0 50.0 10.0 10.0 10.0 10.0 10.0 10.0
CONICAL HALF ANGLE,DEGREES 7.5 7.5 7.5 15.0 15.0 15.0 15.0 15.0
DETECTOR NOISE,MEV       0.010 0.010 0.010 0.007 0.020
ELECTRONIC NOISE,MEV   0.006 0.010          
NUMBER OF THRESHOLDS SET 0.0 9.0 5.0 0.0 5.0 5.0 6.0 7.0
THRESHOLD LEVEL NO.MEV 1   0.012 0.100   0.100 0.050 0.050 0.075
THRESHOLD LEVEL NO.MEV 2   0.030 0.400   0.400 0.400 0.700 0.200
THRESHOLD LEVEL NO.MEV 3   0.050 1.000   1.000 3.000 3.000 0.400
THRESHOLD LEVEL NO.MEV 4   0.100 4.000   2.800 6.000 6.000 0.760
THRESHOLD LEVEL NO.MEV 5   0.250 13.000   5.000 16.000 12.000 1.600
THRESHOLD LEVEL NO.MEV 6   0.500         4 5.000
THRESHOLD LEVEL NO.MEV 7   0.800           18.000
THRESHOLD LEVEL NO.MEV 8   1.600            
THRESHOLD LEVEL NO.MEV 9   5.000            
AVG PROJECTED DEPTH (MIC) 0.2 150.6 703.0 1017.3 712.1 1424.3 712.1 152.6
EST.RMS VAR'N.PROJ.DEPTH,MIC 0.0 0.6 3.0 17.6 12.3 24.7 12.3 2.6
NET RMS THICKNESS VARN.(MIC) 0.0 50.0 10.4 20.3 15.9 26.6 15.9 10.3
LOWER LIMIT THICKNESS(MIC) 0.1 100.6 692.6 997.1 696.2 1397.6 696.2 142.3
UPPER LIMIT THICKNESS(MIC) 0.2 200.6 713.5 1037.6 728.0 1450.9 728.0 162.9

 

Logic Definition

 

CHANNEL NAME, LOGIC LOGIC MAP
ABSORBER,LEVEL, (1=TRUE), (-1=FALSE)
P7 D21(D25)D33(D35) 7 2 1 7 5-1 6 4 1 6 5-1
P8 D12(D15)D22(D23)D33 8 2 1 8 5-1 7 2 1 7 3-1 6 3 1
P9 D22(D23)D32(D33) 7 2 1 7 3-1 6 2 1 6 3-1
E5 D21(D22)D32(D33) 3 1 1 3 2-1 6 2 1 6 3-1
E6 D32(D33)D41(D42)(B1) 6 2 1 6 3-1 5 1 1 5 2-1 3 1-1
E7 D41(D42)B1(B2) 5 1 1 5 2-1 3 1 1 3 2-1
G1 (D21)D31(D32)(D41) 7 1-1 6 1 1 6 2-1 5 1-1
H2 D16(D17)D21(D26) 8 6 1 8 7-1 7 1 1 7 6-1
H3 D25(D26)D32 7 5 1 7 6-1 6 2 1
H4 D23(D25)D35 7 3 1 7 5-1 6 5 1
H5 D22D34(D35)D45 7 2 1 6 4 1 6 5-1 5 5 1
Z3 D26D32 7 6 1 6 2 1
D1 D11 8 1 1
D2 D21 7 1 1
D3 D31 6 1 1
D4 D41 5 1 1
B B1 3 1 1

 

 

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Updated 8/8/19, Cameron Crane

QUICK FACTS

Manufacturer: The Cassini spacecraft was manufactured by NASA's Jet Propulsion Laboratory, and the Huygens Probe was manufactured by Thales Alenia Space.

Mission Duration: The Cassini-Huygens mission launched on October 15 1997, and ended on September 15 2017.

Destination: Cassini's destination was Saturn and its moons. The destination of the Huygens Probe's was Saturn's moon Titan.

Orbit: Cassini orbited Saturn for 13 years before diving between its rings and colliding with the planet on September 15th, 2017.