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A question for our astroengineering enthusiasts:

I'm working on a roleplaying scenario right now which also is an

attempt at a fairly realistic description of space

industrialisation. Anyway, I would like to calculate transfer orbits

from Earth to the asteroid Orpheus (and possibly other NEOs), so my

players could start planning the business part of asteroid mining as

well as ship schedules. While a Hohman orbit might be suitable for the

first ship to the asteroid, later trips would be able to employ more

thrust as asteroid water becomes available as propellant. Is there any

software around which solves Lambert's problem, does patched conics or

otherwise could help calculating deltav and travel times?

-- ----------------------------------------------------------------------- Anders Sandberg Towards Ascension! asa@nada.kth.se http://www.nada.kth.se/~asa/ GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y

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