1155 Aënna

1155 Aënna [1]
Discovery and designation
Discovered by Reinmuth, K.
Discovery date 1928-Jan-26
Epoch Orbital Elements at Epoch 2454400.5 (2007-Oct-27.0) TDB
Aphelion 2.8653588 AU
Perihelion 2.063751 AU
Semi-major axis 2.4645549 AU
Eccentricity 0.1626273
Orbital period 1413.2082843 days
3.87 years
Mean anomaly 154.99329 °
Inclination 6.59503 °
Longitude of ascending node 39.19708 °
Argument of perihelion 194.52343 °
Dimensions diameter 11.64
Geometric albedo 0.3278  
Absolute magnitude (H) 11.50 mag

1155 Aënna is a main belt asteroid orbiting the Sun. Approximately 12 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered by Karl Wilhelm Reinmuth at Heidelberg, Germany on January 26, 1928.[1] The name contains the German pronunciation of the initials "A" and "N" followed by the feminine ending, to honor the Astronomische Nachrichten. The name was proposed by the Astronomisches Rechen-Institut. The provisional designation for the asteroid was 1928 BD.[2]

References

  1. ^ a b "JPL Small-Body Database Browser". http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1155. Retrieved October 17, 2007. 
  2. ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3. 
1154 Astronomia•1155 Aënna• 1156 Kira
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