7939 Asphaug

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7939 Asphaug
Discovery[1] and designation
Discovered by Eleanor F. Helin
Discovery date January 14, 1991
Designations
Named after
Erik Ian Asphaug
1968 UW; 1986 SK; 1991 AP1
Minor planet category Main belt
Orbital characteristics[2]
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 428.955 Gm (2.867 AU)
Perihelion 278.368 Gm (1.861 AU)
353.661 Gm (2.364 AU)
Eccentricity 0.213
1327.674 d (3.63 a)
19.15 km/s
176.739°
Inclination 1.500°
332.183°
84.881°
Physical characteristics
Dimensions ? km
Mass ?×10? kg
Mean density
? g/cm³
Equatorial surface gravity
? m/s²
Equatorial escape velocity
? km/s
? d
?
?
0.10
Temperature ~181 K
?
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.

External links[edit]