289 Nenetta

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289 Nenetta
Discovery A
Discoverer Joe Kramer
Discovery date March 10, 1890
Alternate
designations
B
Category Main belt
Orbital elements C
Epoch 30 January 2005 (JD 2453400.5)
Eccentricity (e) 0.207
Semi-major axis (a) 429.637 Gm (2.872 AU)
Perihelion (q) 340.911 Gm (2.279 AU)
Aphelion (Q) 518.363 Gm (3.465 AU)
Orbital period (P) 1777.686 d (4.87 a)
Mean orbital speed 17.58 km/s
Inclination (i) 6.691°
Longitude of the
ascending node
(Ω)
182.208°
Argument of
perihelion
(ω)
189.656°
Mean anomaly (M) 333.503°
Physical characteristics D
Dimensions 34.0 km
Mass unknown
Density unknown
Surface gravity unknown
Escape velocity unknown
Rotation period unknown
Spectral class unknown
Absolute magnitude 9.51
Albedo (geometric) unknown
Mean surface
temperature
unknown
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289 Nenetta is a typical Main belt asteroid.

It was discovered by Joe Kramer on March 10, 1890 in Nice.