Asteroid 309, Fraternitas, was discovered April 6, 1891 by Johann Palisa at Vienna. It has a period of 4 years, 129 days and is about 25 1/2 miles in diameter.
Its name is the Latin word for fraternity.
Astrologically, asteroid Fraternitas seems to indicate friendly personality, interested in universal brotherhood (Raymond Scott); possibly, fraternities, fraternal societies.