420 Bertholda

From Wikipedia, the free encyclopedia
Jump to: navigation, search
420 Bertholda
Discovery
Discovered by Max Wolf
Discovery date September 7, 1896
Designations
1896 CY
Minor planet category Main belt (Cybele)
Orbital characteristics
Epoch 23 July 2010 (JD 2455400,5)
Aphelion 3,55326416 AU
Perihelion 3,3073759 AU
3,43032003 AU
Eccentricity 0.036
2320.6 d (6.35 a)
16.07 km/s
246.1262°
Inclination 6.642°
243.086°
228.387°
Physical characteristics
Dimensions 141.54 ± 2.08[1] km
Mass (1.48 ± 0.09) × 1019[1] kg
Mean density
9.96 ± 0.75[1] g/cm3
11,04 h
Albedo 0,042
Spectral type
P
8.31

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.

References[edit]

  1. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.  See Table 1.