309 Fraternitas
Fraternitas (minor planet designation: 309 Fraternitas) is a typical Main belt asteroid. It was discovered by Johann Palisa on 6 April 1891 in Vienna. The asteroid name is Latin for 'fraternity'; it was so named in order to commemorate the 25th anniversary of the Maturitätsprüfung Fraternity. This minor planet is orbiting the Sun at a distance of  with an orbital eccentricity (ovalness) of 0.115 and a period of . The orbital plane is inclined at an angle of 3.72° of the ecliptic. Analysis of the asymmetric bimodal light curve of the asteroid from photometric data collected during 2014 provide a rotation period of  with a brightness variation of  in magnitude. References

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000309
Discoveries by Johann Palisa
Named minor planets
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