7939 Asphaug

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7939 Asphaug
Discovery[1] and designation
Discovered by Eleanor F. Helin
Discovery date January 14, 1991
Designations
Alternative names[1] 1968 UW; 1986 SK; 1991 AP1
Minor planet
category		 Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 428.955 Gm (2.867 AU)
Perihelion 278.368 Gm (1.861 AU)
Semi-major axis 353.661 Gm (2.364 AU)
Eccentricity 0.213
Orbital period 1327.674 d (3.63 a)
Average orbital speed 19.15 km/s
Mean anomaly 176.739°
Inclination 1.500°
Longitude of ascending node 332.183°
Argument of perihelion 84.881°
Dimensions ? km
Mass ?×10? kg
Mean density ? g/cm³
Equatorial surface gravity ? m/s²
Equatorial escape velocity ? km/s
Sidereal rotation
period		 ? d
Axial tilt ?°
Pole ecliptic latitude ?
Pole ecliptic longitude ?
Geometric albedo 0.10
Temperature ~181 K
Spectral type ?
Absolute magnitude 14.4

7939 Asphaug is an asteroid named for Dr. Erik I. Asphaug, recipient of the 1998 H. C. Urey Prize and a professor at the University of California, Santa Cruz.

[edit] External links

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