951 Gaspra

951 Gaspra /ˈɡæsprə/ is an S-type asteroid that orbits very close to the inner edge of the asteroid belt.

One of the first Asteroids, humans approached to test Asteroid Mining technlogy. Today the Asteroid is owned by Carhill Group and is home to an Astro Geological Institute (Corporate) and a well designed and popular Asteroid Mining Museum.

Physical Description

 * Dimensions 18.2×10.5×8.9 km
 * Mean radius 6.1 km
 * Mass 2–3×1016 kg (estimate)
 * Mean density ~2.7 g/cm³ (estimate)
 * Surface gravity ~0.002 m/s² (estimate)
 * Escape velocity ~0.006 km/s (estimate)
 * Rotation period 0.293 d (7.042 h)
 * Albedo 0.22
 * Temperature ~181 K max: 281 K (+8°C)
 * Spectral type S
 * Absolute magnitude (H) 11.46
 * Owner: Carhill Group (Corp)
 * Asteroid Mining Museum