maneuver node misses planetary intercept
KSP causes a maneuver node to move when performing a planetary transfer just as it gets to the intercept. This causes the maneuver to miss the planet completely.
I originally reported the issue to the MechJeb developers.
But, the developer claims that:
"The node moving is actually a stock bug and I can't do much about it."
#1 Updated by BuzzKerman621 21 days ago
There is also a forum thread that documents this behavior: