- 289 Nenetta
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289 Nenetta DiscoveryDiscovered by Auguste Charlois Discovery date March 10, 1890 DesignationsMinor planet
categoryMain belt Epoch 30 January 2005 (JD 2453400.5) Aphelion 518.363 Gm (3.465 AU) Perihelion 340.911 Gm (2.279 AU) Semi-major axis 429.637 Gm (2.872 AU) Eccentricity 0.207 Orbital period 1777.686 d (4.87 a) Average orbital speed 17.58 km/s Mean anomaly 333.503° Inclination 6.691° Longitude of ascending node 182.208° Argument of perihelion 189.656° Physical characteristicsDimensions 34.0 km Mass unknown Mean density unknown Equatorial surface gravity unknown Escape velocity unknown Rotation period unknown Albedo unknown Temperature unknown Spectral type unknown Absolute magnitude (H) 9.51 289 Nenetta is a typical Main belt asteroid.
It was discovered by Auguste Charlois on March 10, 1890 in Nice.
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Categories:- Main Belt asteroids
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