Vesta Asteroid (4)

Int

Astronomical specifications:

Discovery 
Orbital characteristics:
Distance from Sun  km
Aphelion  (106 km)
Perihelion  (106 km)
Inclination  deg
Eccentricity 
Orbital periode rond Sun  days
Main orbital speed  km/s
Inclination to Sun equator  deg
Number of moons 
Rings 
Physical characteristics:
Dimensions  km
Radius  km
Surface area  km²
Volume  106 km³
Mass  1024 kg
Density  g/cm³
Equatorial surface gravity  m/s²
Escape velocity  km/s
Rotation period  days
Surface temperature  K
Axial tilt  deg
Atmospheric composition 

NASA's Dawn obtained this image with its framing camera on July 9, 2011. It was taken from a distance of about 41,000 kilometers.


Vesta missions:

Name Launch
Date		 Launch rocket Weight
(kg)		 Mission
Dawn (USA) 27-Sep-07 Delta II 1218 kg Asteroid orbiter. Scheduled arrival at Vesta is Aug-2011 and Ceres Feb-2015; to study protoplanets with goal of characterizing the conditions and processes of the early solar system.
Dawn space probe, fell silent on Oct 30, 2018 as it ran out of propellant. Dawn was the first mission to use ion propulsion to visit multiple worlds. The probe orbited Vesta from Jul 2011 to Sep 2012, and Ceres from Mar 2015 till now.

Ref.: #7(JR756), #98 - update: 18.02.19 Home