____
/ \
/ L4
/ \
L3 | S L1 E L2
\ /
\ L5
\____/
--->
Direction of 'rotation'
Notes:
Not to scale
S = Sun
E = Earth
Ln = Lagrangian Point n
Pi = 3
The L4 and L5, (leading and trailing respectively) points of the
Sun-
Jupiter system are occupied by the
Trojan asteroids.