442 Eichsfeldia

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442 Eichsfeldia
Discovery
Discovered by M. Wolf,
A. Schwassmann
Discovery date February 15, 1899
Designations
Named after
Eichsfeld
1899 EE
Minor planet category Main belt
Orbital characteristics[1]
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 375.882 Gm (2.513 AU)
Perihelion 325.835 Gm (2.178 AU)
350.858 Gm (2.345 AU)
Eccentricity 0.071
1311.898 d (3.59 a)
19.45 km/s
113.664°
Inclination 6.062°
135.045°
84.797°
Physical characteristics
Dimensions 65.58 ± 1.70[2] km
Mass (1.95 ± 0.20) × 1017[2] kg
Mean density
1.32 ± 0.16[2] g/cm3
Spectral type
C
9.94[3]

442 Eichsfeldia is a large main belt asteroid that was discovered by German astronomers Max Wolf and A. Schwassmann on February 15, 1899 in Heidelberg. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material.

Although Eichsfeldia has an orbit similar to the Vesta family asteroids, it was found to be an unrelated interloper on the basis of its non-matching spectral type.

References[edit]

  1. ^ Yeomans, Donald K., "442 Eichsfeldia", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 2013-03-25. 
  2. ^ 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.
  3. ^ Warner, Brian D. (December 2007), "Initial Results of a Dedicated H-G Project", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 34: 113–119, Bibcode:2007MPBu...34..113W.