79 Eurynome

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79 Eurynome
79Eurynome (Lightcurve Inversion).png
A three-dimensional model of 79 Eurynome based on its light curve.
Discovered by James Craig Watson
Discovery date September 14, 1863
Named after Eurynome
Alternative names  
Minor planet category Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 435.949 Gm (2.914 AU)
Perihelion 295.538 Gm (1.976 AU)
Semi-major axis 365.743 Gm (2.445 AU)
Eccentricity 0.192
Orbital period 1396.288 d (3.82 a)
Average orbital speed 18.87 km/s
Mean anomaly 149.498°
Inclination 4.622°
Longitude of ascending node 206.802°
Argument of perihelion 200.384°
Physical characteristics
Dimensions 66.5 km
Mass 3.1×1017 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0186 m/s²
Escape velocity 0.0352 km/s
Rotation period ? d
Albedo 0.262 (geometric)[1]
Temperature ~178 K
Spectral type S
Apparent magnitude 9.35 (brightest)
Absolute magnitude (H) 7.96

79 Eurynome (/jʊˈrɪnəm/ ew-RIN-ə-mee) is a quite large and bright main-belt asteroid composed of silicate rock. Eurynome was discovered by J. C. Watson on September 14, 1863. It was his first asteroid discovery. It is named after one of the many Eurynomes in Greek mythology.


  1. ^ Asteroid Data Sets

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