87 Sylvia

Tags: Planet.

87 Sylvia is one of the largest main-belt asteroids. It is a member of the Cybele group located beyond the core of the belt (see minor-planet groups). Sylvia is the first asteroid known to possess more than one moon.

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apoapsis (km)

5.63685e+11

average speed (km/s)

57384.0

orbital period (μ)

2.05779e+08

periapsis (km)

4.80658e+11

temperature (K)

151.0, 223.0

absolute magnitude

6.94

albedo

0.0435

discovery date

1866-05-16

discoverer

N. R. Pogson

epoch

July 14 2004 (JD 2453200.5)

escape velocity (kmh)

496.44

former name

A909 GA

rotation period (s)

18662.4