Josh SmithZachary BlunierMichael Krauz

Matt PensaDaniel LaneTrey Keown

quakerattle

and roll

• Determine the inner structure of Europa

• Rough surface suggests inner geological activity• Caused by either strong tremors

or a flowing subsurface ocean• Very interesting candidate for

extraterrestrial life

scienceobjective

s

operational

strategy

• Deploy Seismometer Measurement Mechanisms (SMM) at predetermined locations

• Transfer seismic data back to orbiter as it orbits above

payloadspecs

• Two components: EDID and SMM• EDID is launcher (double-barreled

shotgun)• SMMs are ammo

SMM EDID

Dimensions 8 cm x 8 cm x 8 cm4 cm radius

Shell Thickness

0.5 cm

Weight 0.5 kg

Power Internal battery

Dimensions 29cm x 18cm x 46cm

Weight 5 kg

Power Passive; powered by excess helium in propulsion tankmichael’s

previous

designs

zach’s

payloadtechnolog

y

• SMMs has a battery, microprocessor, a seismometer, and a UHF transmitter

• Continuously collect data and beam back when orbiter passes overhead

• 16 samples/second, 720 bits/second, 50 mb/week

physicsbreakdow

n

• Solved for tangential velocity• Found impact velocity from tangental

velocity• From impact velocity, found the

penetration depth and deceleration• From deceleration and Europa’s

gravitational constant, found g-force SMM must sustain

𝐹=𝑚𝑎

thank you.

questions or

comments?