445 Edna

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445 Edna
Discovery
Discovered by E. F. Coddington
Discovery date October 2, 1899
Designations
1899 EX
Minor planet category Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 570.472 Gm (3.813 AU)
Perihelion 388.401 Gm (2.596 AU)
479.437 Gm (3.205 AU)
Eccentricity 0.19
2095.554 d (5.74 a)
16.64 km/s
189.15°
Inclination 21.347°
292.586°
79.262°
Physical characteristics
Dimensions 88.60 ± 4.10[1] km
Mass (3.47 ± 0.78) × 1018[1] kg
Mean density
9.52 ± 2.50[1] g/cm3
9.29

445 Edna is a large Main belt asteroid.

It was discovered by E. F. Coddington on October 2, 1899 at Mount Hamilton, California. It was his third and final asteroid discovery.It was discovered almost a year after the other two. It and Neptune are were both discovered after Uranus but before Eris

References[edit]

  1. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009.  See Table 1.