OKEANOS

OKEANOS

proposed mission concept to Jupiter's Trojan asteroids using a hybrid solar sail & a solar powered ion engine propulsion
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OKEANOS (Oversize Kite-craft for Exploration and Astronautics in the Outer Solar system) was a proposed mission concept to Trojan asteroids, which share Jupiter's orbit, using a hybrid solar sail for propulsion; the sail was planned to be covered with thin solar panels to power an ion engine. In situ analysis of the collected samples would have been performed by either direct contact or using a lander carrying a high-resolution mass spectrometer. A sample-return to Earth was an option under study.

Names
Jupiter Trojan Asteroid Explorer
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Mission type
Technology demonstration,
reconnaissance,
possible sample return
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Operator
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Mission duration
≈12 years
>30 years for optional sample-return
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SPACECRAFT PROPERTIES

Spacecraft type
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Manufacturer
ISAS and DLR
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Launch mass
1,400 kg
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Landing mass
≈100 kg
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Payload mass
Spacecraft: 30 kg
Lander: 20 kg
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Dimensions
Sail/solar panel:
40×40 m (1,600 m)
Lander: 65 × 40 cm
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Power
Max: 5 kW at Jupiter
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EXPEDITION

CREW

START OF MISSION

Rocket
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END OF MISSION

Landing date
2039
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ORBITAL PARAMETERS

PAYLOAD

MAIN TELESCOPE

Wavelengths
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TRANSPONDERS

Band
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Capacity
16 Kbps
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Contributors

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