805 Hormuthia

805 Hormuthia is a minor planet orbiting the Sun. This asteroid follows an elliptical orbit through the main asteroid belt that reaches perihelion just outside the Kirkwood gap at 2.5 AU. Its estimated diameter is 73 km, and it is one of the 500 largest asteroids. 805 Hormuthia was discovered by Max Wolf in 1915, at the University of Heidelberg.[2] The planet is named after Hormuth Kopff, the wife of astronomer August Kopff.[3]

805 Hormuthia
Discovery
Discovered byMax Wolf
Discovery siteHeidelberg Observatory
Discovery date17 April 1915
Designations
(805) Hormuthia
1915 WW
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc100.85 yr (36835 d)
Aphelion3.7899 AU (566.96 Gm)
Perihelion2.5947 AU (388.16 Gm)
3.1923 AU (477.56 Gm)
Eccentricity0.18720
5.70 yr (2083.3 d)
132.402°
0° 10m 22.08s / day
Inclination15.728°
166.446°
132.362°
Earth MOID1.60843 AU (240.618 Gm)
Jupiter MOID1.7152 AU (256.59 Gm)
TJupiter3.111
Physical characteristics
Mean radius
33.47±1.45 km
9.510 h (0.3963 d)
0.0465±0.004
9.82

    References


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