LightSail

LightSail is a project to demonstrate controlled solar sailing within low Earth orbit using a CubeSat developed by The Planetary Society.
NamesLightSail 1, LightSail 2[1]
Mission typeTechnology demonstration
OperatorThe Planetary Society
COSPAR ID2019-036AC
Websitesail.planetary.org
Mission durationLightSail 1: 25 days
LightSail 2:~ 1 year (planned)
Spacecraft properties
Spacecraft typeSolar sail
Bus3U CubeSat
ManufacturerStellar Exploration, Inc., Ecliptic Enterprises Corporation, Cal Poly San Luis Obispo
DimensionsCore: 10 cm × 10 cm × 30 cm (3.9 in × 3.9 in × 11.8 in)
Sail: 32 m2 (5,6 x 5,6 m)
Start of mission
Launch dateLightSail 1: 20 May 2015
LightSail 2: 25 June 2019[3]
RocketLightSail 1: Atlas V
LightSail 2: Falcon Heavy
End of mission
Decay dateLightSail 1: 14 June 2015[4]





http://www.planetary.org/explore/projects/lightsail-solar-sailing/lightsail-mission-control.html

Chandrayaan-2 Orbit Animation

































LightSail-2 with sail perpendicular to the speed vector = rapid fall 1 month.

LightSail-2 with a free-flying sail = free fall 13.5 month.

LightSail-2 with a free-flying sail = free fall 8.5 month.


LightSail-2 with a free-flying sail = fall 5 months







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