420 Bertholda

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420 Bertholda
Discovery A
Discoverer Max Wolf
Discovery date September 7, 1896
Alternate
designations
B
1896 CY
Category Main belt (Cybele)
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.043
Semi-major axis (a) 510.74 Gm (3.414 AU)
Perihelion (q) 488.66 Gm (3.266 AU)
Aphelion (Q) 532.819 Gm (3.562 AU)
Orbital period (P) 2304.102 d (6.31 a)
Mean orbital speed 16.12 km/s
Inclination (i) 6.659°
Longitude of the
ascending node
(Ω)
243.781°
Argument of
perihelion
(ω)
224.423°
Mean anomaly (M) 295.365°
Physical characteristics D
Dimensions 141.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class P
Absolute magnitude 8.31
Albedo (geometric) unknown
Mean surface
temperature
unknown
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420 Bertholda is a very large Main belt asteroid. It is classified as a P-type asteroid.

It was discovered by Max Wolf on September 7, 1896 in Heidelberg.


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For a complete listing, see: List of asteroids. See also Pronunciation of asteroid names and Meanings of asteroid names.
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