Re: Bielliptic Transfer Orbits

From: Erik Max Francis (max_at_alcyone.com)
Date: 08/26/04 

Date: Wed, 25 Aug 2004 19:25:29 -0700
To: sci-space-tech@moderators.isc.org

Bill Woods wrote:

> You're in an orbit with radius R_1. Boost yourself up to escape
> speed and coast out to infinity. Perform an infinitesimal orbital
> correction to put yourself on the second transfer orbit, which has
> periapsis at your target orbit at radius R_2. When you get there,
> a third boost completes the maneuver.

This idealized orbit is called a biparabolic transfer, by the way.

>>> plot(earth, uranus, BiparabolicTransfer)
Source: Earth
Destination: Uranus
Opportunities:
 Opportunity: Earth/Uranus
  Angle: 1.94298093744 rad (111.32460739 deg)
  Period: 31943224.077 s
Transfers:
 Transfer: biparabolic from `Earth' to `Uranus'
  Duration: inf s
  Burns: 12335.3007772, 2815.06576668 m/s
Course: from `Earth' to `Uranus'
Duration: inf s
Deltavee: 15150.3665438 m/s 

-- 
 __ Erik Max Francis && max@alcyone.com && http://www.alcyone.com/max/
/  \ San Jose, CA, USA && 37 20 N 121 53 W && AIM erikmaxfrancis
\__/ War is a continuation of policy by other means.
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