[Spice_discussion] Lagrangian points...

John Irwin jir1959 at btinternet.com
Mon Jun 27 05:25:14 PDT 2011

Two questions:

(1) Is there any facilty in SPICE to evaluate the position and velocity of
the Lagrangian points given the ephemerides of two solar system bodies?

(2) What would be the JPL/NAIF IDs of each of the Lagrangian points? I
notice that HORIZONS provides ephemerides for the L1 and L2 points of the
Sun-EMB system, with IDs 391 and 392, which suggests 393,394,395 for L3, L4
and L5. But what of other systems like Earth-Moon, or Sun-Jupiter for

Thank you.


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