- 1155 Aënna
Infobox Planet
minorplanet = yes
bgcolour = #FFFFC0
name = 1155 Aënna cite web | title="JPL Small-Body Database Browser" | url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1155 | accessdate= October 17 | accessyear= 2007 ]
discovery = yes
discoverer = Reinmuth, K.
discovered = 1928-Jan-26
epoch = Orbital Elements at Epoch 2454400.5 (2007-Oct-27.0) TDB
aphelion = 2.8653588 AU
perihelion = 2.063751 AU
semimajor = 2.4645549 AU
eccentricity = 0.1626273
period = 1413.2082843 days
3.87 years
inclination = 6.59503 °
asc_node = 39.19708 °
mean_anomaly = 154.99329 °
arg_peri = 194.52343 °
physical_characteristics = yes| dimensions = diameter 11.64
albedo = 0.3278
abs_magnitude = 11.50 mag1155 Aënna is a
main belt asteroid orbiting theSun . Approximately 12 kilometers in diameter, it makes a revolution around the Sun once every 4 years. It was discovered byKarl Wilhelm Reinmuth atHeidelberg ,Germany onJanuary 26 ,1928 . 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. [cite book |last= Schmadel |first= Lutz D. |title= Dictionary of Minor Planet Names |publisher= Springer |year= 2003 |isbn= 3540002383 ]References
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