Possible Selenocentric Distant Retrograde Orbits (SDRO) Applications In Addition To Redirected Asteroid Storage
• Remote operation of lunar surface robotics with humans in SDRO
• Reusable interplanetary transport infrastructure “garage” between missions in SDRO
Trades Between EML1/2 And SDRO Architectures Are Barely Understood
• Continuous communications with Earth are possible from EML1 and near EML2; SDROs have periodic outages of an hour or more
• Access to EML1/2 from Earth is comparable to 70,000 km radius SDRO
• Lunar surface access from EML1/2 is comparable to an 70,000 km (radius) SDRO, but requires less time and for SDROs with smaller radius in best cases. Planar SDRO geometry can impose access outages for mid – latitude lunar landings/returns, but lunar surface access from EML1/2 is independent of landing site location and landing time.
• Stationkeeping near EML1/2 requires weekly impulses; a stable SDRO requires none
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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