1123 Shapleya

1123 Shapleya [1]
Discovery and designation
Discovered by Neujmin, G.
Discovery date 1928-Sep-21
Epoch Orbital Elements at Epoch 2454400.5 (2007-Oct-27.0) TDB
Aphelion 2.5727440 AU
Perihelion 1.8780118 AU
Semi-major axis 2.2253779 AU
Eccentricity 0.1560931
Orbital period 1212.5623480 days
3.32 years
Mean anomaly 278.34093 °
Inclination 6.41921 °
Longitude of ascending node 79.98511 °
Argument of perihelion 317.32200 °
Rotation period >20. h
Absolute magnitude (H) 11.7 mag

1123 Shapleya is a main belt asteroid orbiting the Sun. It makes a revolution around the Sun once every 3 years. The time it takes to complete one rotation is greater than 20 hours. It was discovered by Grigory Nikolaevich Neujmin on September 21, 1928.[1] It was named after Harlow Shapley, the American astronomer and director of Harvard Observatory.[2]

References

  1. ^ a b "JPL Small-Body Database Browser". http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1123. Retrieved October 17, 2007. 
  2. ^ Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. ISBN 3-540-00238-3. 
1122 Neith•1123 Shapleya• 1124 Stroobantia
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