19 Fortuna

Tags: Planet.

19 Fortuna is one of the largest main-belt asteroids. It has a composition similar to 1 Ceres: a darkly colored surface that is heavily space-weathered with the composition of primitive organic compounds including tholins.Fortuna is 225 km in diameter and has one of the darkest known geometric albedos for an asteroid over 150 km in diameter. Its albedo has been measured at 0.028 and 0.037.The Hubble Space Telescope observed Fortuna in 1993.

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apoapsis (km)

4.23512e+11

average speed (km/s)

68184.0

mass (kg)

1270.0

orbital period (μ)

1.20388e+08

periapsis (km)

3.06975e+11

temperature (K)

180.0

absolute magnitude

7.13

albedo

0.037

apparent magnitude

8.88

discovery date

1852-08-22

discoverer

John Russell Hind

epoch

October 22 2004 (JD 2453300.5)

escape velocity (kmh)

428.4

former name

A902 UG

rotation period (s)

26792.6