89 Julia

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89 Julia
Discovery
Discovered byÉdouard Stephan
Discovery dateAugust 6, 1866
Designations
 
Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion451.576 Gm (3.019 AU)
Perihelion311.336 Gm (2.081 AU)
381.456 Gm (2.550 AU)
Eccentricity0.184
1487.227 d (4.07 a)
18.49 km/s
129.159°
Inclination16.142°
311.648°
44.990°
Physical characteristics
Dimensions151.5 km
Mass3.6×1018 kg
Mean density
? g/cm³
0.0423 m/s²
0.0801 km/s
? d
Albedo0.176 (geometric[1]
Temperature~174 K
Spectral type
S
8.74[2] to 12.61
6.60
0.18" to 0.052"

89 Julia is a large main-belt asteroid. It was discovered by French astronomer Édouard Stephan on August 6, 1866. It was first of his two asteroid discoveries; the other was 91 Aegina. It is believed to be named after Saint Julia of Corsica. A stellar occultation by Julia was observed on December 20, 1985.

References

  1. ^ Asteroid Data Sets
  2. ^ "AstDys (89) Julia Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2010-06-27.

External links