Tags: Planet.

11 Parthenope is a large bright main-belt asteroid.Parthenope was discovered by Annibale de Gasparis on May 11 1850 the second of his nine asteroid discoveries. It was named after Parthenopē one of the Sirens in Greek mythology said to have founded the city of Naples.

11_Parthenope_symbol.svg
apoapsis (km)
4.03494e+11
average speed (km/s)
68472.0
mass (kg)
6150.0
orbital period (μ)
1.2121e+08
periapsis (km)
3.30297e+11
temperature (K)
174.0
absolute magnitude
6.55
albedo
0.18
apparent magnitude
8.68
discovery date
1850-05-11
discoverer
Annibale de Gasparis
epoch
July 14 2004 (JD 2453200.5)
escape velocity (kmh)
338.76
former name
none
rotation period (s)
49393.4

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