Asteroid 9387,Tweedledee,, was discovered on February 2, 1994 by Hitoshi Shiozawa and Takeshi Urata at Fujieda, Shizuoka, Japan.. It has a period of 2 years, 256 days and is slightly over 2.8 miles in diameter.
It was named for a character from Lewis Carroll's Through The Looking Glass, the twin brother of Tweedledum. The names Tweedledee and Tweedledum come from an English nursery rhyme.
John Tenniel's 1871 illustration from Through The Looking Glass: Alice meeting Tweedledee (center) and Tweedledum
Astrologically, according to Henk Middelraad, asteroid Tweedledee seems to be about pointless arguing.; possibly it could indicate eerily similar to someone or something else, derivative, identical twins, "all about me", being a "dittohead," requiring loyalty.