Asteroid 10028, Bonus, was discovered on May 5, 1981 by Carolyn S. Shoemaker at Palomar. It has a period of 3 years, 289 days.
It was named for actor and astronomy historian Shelley Bonus (born 1947), who has devoted a lot of her time to public outreach in astronomy through planetarium presentations and other educational programs.
Shelley Bonus
Astrologically, the meaning of asteroid Bonus seems to be what its name suggests: bonuses or extras, or boons.