511 Davida

Tags: Planet.

511 Davida is a large main-belt C-type asteroid. It was discovered by R. S. Dugan in 1903. It is one of the ten most massive asteroids. It is approximately 270–310 km in diameter and comprises an estimated 1.5% of the total mass of the asteroid belt. It is a C-type asteroid which means that it is dark in colouring with a carbonaceous chondrite composition.Davida is one of the few main-belt asteroids whose shape has been determined by ground-based visual observation.

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apoapsis (km)

5.61927e+11

average speed (km/s)

59724.0

orbital period (μ)

1.77672e+08

periapsis (km)

3.84951e+11

temperature (K)

160.0

absolute magnitude

6.22

albedo

0.054

apparent magnitude

9.5

discovery date

1903-05-30

discoverer

Raymond Smith Dugan

epoch

August 27 2011 (JD 2455800.5)

former name

1903 LU

rotation period (s)

18465.7