Discovered by Neujmin, G. Observation arc 87.55 yr (31979 days) Orbits Sun Asteroid group Asteroid belt | Discovery date 21 September 1928 Discovered 21 September 1928 | |
Aphelion 2.5740346 AU (385.07010 Gm) Perihelion 1.8774730 AU (280.86596 Gm) Semi-major axis 2.2257538 AU (332.96803 Gm) Similar 1111 Reinmuthia, 1102 Pepita, 1002 Olbersia, 1001 Gaussia, Sun | ||
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. Its provisional designation was 1928 ST. It was named after Harlow Shapley, the American astronomer and director of Harvard Observatory.
References
1123 Shapleya Wikipedia(Text) CC BY-SA