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Encyclopedia > 91 Aegina
91 Aegina
Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Orbit type Main belt
Semimajor axis 2.591 AU
Perihelion distance 2.320 AU
Aphelion distance 2.861 AU
Orbital period 4.17 years
Inclination 2.11°
Eccentricity 0.105
Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
Diameter 109.8 km
Rotation period 3 (http://charlie.psi.edu/pds/) 6.025 hours
Abs. magnitude 8.84
Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) 0.043
History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
Discoverer Édouard Stephan, 1866


91 Aegina is a large main belt asteroid. Its surface coloring is very dark and the asteroid has probably a primitive carbonaceous composition.


It was discovered by a French astronomer Édouard Jean-Marie Stephan on November 4, 1866. It was his second and final asteroid discovery. The first was 89 Julia. The asteroid's name comes from Aegina, a Greek mythological figure associated with the island of the same name.




  Results from FactBites:
 
Aegina - Wikipedia, the free encyclopedia (3038 words)
Aegina (Greek: Αίγινα Egina), one of the Saronic Islands of Greece in the Saronic Gulf, 31 miles (50 km) from Athens.
Athena from the east pediment of the Aphaea temple in Aegina
The archaeological interest of Aegina is centred in the well-known temple on the ridge near the northern corner of the island.
  More results at FactBites »


 
 

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