386 Siegena

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386 Siegena
386Siegena (Lightcurve Inversion).png
A three-dimensional model of 386 Siegena based on its light curve.
Discovery
Discovered by Max Wolf
Discovery date 1 March 1894
Designations
MPC designation (386) Siegena
Named after
Siegen
1894 AY
Main belt
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 122.08 yr (44590 d)
Aphelion 3.38983 AU (507.111 Gm)
Perihelion 2.40159 AU (359.273 Gm)
2.89571 AU (433.192 Gm)
Eccentricity 0.17064
4.93 yr (1799.8 d)
17.51 km/s
66.7510°
0° 12m 0.068s / day
Inclination 20.2568°
166.886°
219.478°
Earth MOID 1.42991 AU (213.911 Gm)
Jupiter MOID 2.13959 AU (320.078 Gm)
Jupiter Tisserand parameter 3.176
Physical characteristics
Dimensions 165.01±2.7 km[1]
170.35 ± 8.40 km[2]
Mass (8.14 ± 1.58) × 1018 kg[2]
Mean density
3.14 ± 0.76 g/cm3[2]
9.763 h (0.4068 d)
0.0692±0.002
C
7.43

386 Siegena is a very large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material.

It was discovered by Max Wolf on March 1, 1894, in Heidelberg.

References[edit]

  1. ^ a b "386 Siegena (1894 AY)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 10 May 2016. 
  2. ^ a b c Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, Bibcode:2012P&SS...73...98C, arXiv:1203.4336Freely accessible, doi:10.1016/j.pss.2012.03.009.  See Table 1.

External links[edit]