In article <1173716559.882752.151030@8g2000cwh.googlegroups.com>, TVDad Jim <jim@tvdads.com> wrote: People have tried to find stable lunar orbits, but the results are all a little uncertain... It helps considerably that a comsat network would want a somewhat higher altitude than a lot of the past lunar orbiters. Would a relay need to be in orbit? Could a relay station at the

"William C. Keel" <keel@bildad.astr.ua.edu> wrote in message news:45eec605$1@news.ua.edu... TVDad Jim <jim@tvdads.com> wrote: Has there ever been any proposals for a deep-space TDRS-style satellite for relaying telemetry from outer-planet missions such as New Horizons et al? I was thinking there may be some advantages in putting relay devices in heliocentric orbit at,

TVDad Jim <jim@tvdads.com> wrote: Has there ever been any proposals for a deep-space TDRS-style satellite for relaying telemetry from outer-planet missions such as New Horizons et al? I was thinking there may be some advantages in putting relay devices in heliocentric orbit at, say, the orbit of Mars, to pick up telemetry on those occasions when the Sun is between Earth and the