Re: [TML] Watching A Planet
Edward Swatschek 26 Sep 2015 00:45 UTC
On 2015-09-25 16:40, Kurt Feltenberger wrote:
> On 9/25/2015 12:43 AM, Thomas Jones-Low wrote:
>> If you have a planet with a moon I would select the L4 or L5 points.
>> The leading or trailing position avoids the EM issues. If your
>> stealth fails partly your ship may be mistaken for another rock in
>> the stable point. For worlds without a moon the planetary L4/5 point
>> may work for the same reason but may be further away than you like.
>
> I thought the Trojan points were quite a bit further away than 1.5m
> km? That was my original thought, to have them there, as there may be
> some captured rocks that could be used as masking, but then I seemed
> to recall they were quite a bit further out.
>
L4 and L5 each form an equilateral triangle with the two other bodies,
so in the case of the Sun-Earth system, L4/L5 will be 1 AU distant. For
the Earth-Moon system, 400 000 km.
--
Edward Swatschek - xxxxxx@bitslayer.net