149 Medusa

Tags: Planet.

149 Medusa is a bright-coloured stony main-belt asteroid that was discovered by French astronomer J. Perrotin on September 21 1875 and named after the Gorgon Medusa a snake-haired monster in Greek mythology.When it was discovered Medusa was by far the smallest asteroid found (although this was not known at that time). Since then many thousands of smaller asteroids have been found.

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average speed (km/s)

72648.0

density (μ3)

2000.0

mass (kg)

8000.0

orbital period (μ)

1.01185e+08

periapsis (km)

3.04026e+11

temperature (K)

189.0

absolute magnitude

10.79

albedo

0.1

discovery date

1875-09-21

discoverer

Henri Joseph Anastase Perrotin

epoch

December 31 2006 (JD 2454100.5)

escape velocity (kmh)

37.44

rotation period (s)

93736.8