#!/usr/bin/env python """ """ from botex import * ALTITUDE = 100e3 planets = sun.planets() for planet in planets: satellites = [x for x in planet.satellites() if x.period() > 0 and x.radius() > 0] satellites.sort(lambda x, y: cmp(x.distance(), y.distance())) if len(satellites) > 1: print "%s:" % planet.name() print '%6.6s' % '', for each in satellites: print '%6.6s' % each.name(), print for i, first in enumerate(satellites): print '%-6.6s' % first.name(), firstSurface = SurfaceLocation(first) firstOrbit = AltitudeLocation(first, ALTITUDE) for j, second in enumerate(satellites): secondSurface = SurfaceLocation(second) secondOrbit = AltitudeLocation(second, ALTITUDE) surfaceToSurface = Course(firstSurface, secondSurface) orbitToOrbit = Course(firstOrbit, secondOrbit) if i < j: print '%6.0f' % orbitToOrbit.deltavee(), elif i > j: print '%6.0f' % surfaceToSurface.deltavee(), else: assert i == j print '%6.0f' % firstOrbit.orbitalSpeedAroundPrimary(), print print