[amsat-bb] Re: Lanrangian points

Marc Vermeersch amvm at skynet.be
Fri Jan 12 01:38:49 PST 2007

- The Lagrangian points L1, L2, L3 are not stable. A satellite positioned
there would require constant positions corrections: complex satellite. L4
and L5 are stable.

- When n L points are populated and you want to populate another L point,
you have to solve an (n+2)-body problem. This becomes extremely complex.
- L4 and L5 are about the same distance from Earth as the moon: EME type
complications for communications.





-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of w7lrd at comcast.net
Sent: January 12, 2007 08:07
To: amsat-bb at amsat.org
Subject: [amsat-bb] Lanrangian points

Hello Amsat'ers
Is it possible or practical to have a communications satellite at the L1 or
L2 points.
73 Bob W7LRD
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