<DOC>
<DOCNO>
510
</DOCNO>
<TITLE>
manoeuvring technique for changing the plane of circular
orbits with minimum fuel expenditure .
</TITLE>
<AUTHOR>
weiss,d.c.
</AUTHOR>
<BIBLIO>
j. ae. scs. 29, 1962, 368.
</BIBLIO>
<TEXT>
  usaf-supported discussion of the use of an intermediate elliptic
orbit for changing the plane of a circular orbit .  values of the
perigee and apogee velocities are calculated for the following cases ..
the braking impulse supplied by grazing of the atmosphere,. and (3)
re-orbit with 90 of the braking impulse supplied in this manner .
</TEXT>
</DOC>
