4177 Kohman

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4177 Kohman
Discovery[1]
Discovered by Edward L. G. Bowell
Discovery site Anderson Mesa Station of the Lowell Observatory
Discovery date 21 September 1987
Designations
MPC designation 4177
1987 SS1
Outer main belt [2]
Orbital characteristics[3][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 11332 days (31.03 yr)
Aphelion 4.24286 AU (634.723 Gm)
Perihelion 2.35730 AU (352.647 Gm)
3.30008 AU (493.685 Gm)
Eccentricity 0.285684
6.00 yr (2189.7 d)
251.559°
0° 9m 51.862s / day
Inclination 17.1745°
210.698°
157.947°
Earth MOID 1.36505 AU (204.209 Gm)
Jupiter MOID 1.29757 AU (194.114 Gm)
Jupiter Tisserand parameter 3.035
Physical characteristics
12.7,[4] 12.9[2]

4177 Kohman (1987 SS1) is an outer main-belt asteroid discovered on September 21, 1987 by Edward L. G. Bowell at the Anderson Mesa Station of the Lowell Observatory.[1] It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter.[5] Named in honor of Truman Paul Kohman professor of nuclear chemistry at Carnegie Mellon University.[6]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Retrieved December 7, 2008. 
  2. ^ a b c "4177 Kohman (1987 SS1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016. 
  3. ^ "(4177) Kohman". AstDyS. University of Pisa. Retrieved December 11, 2008. 
  4. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved January 7, 2009. [dead link]
  5. ^ Roig; Nesvorny, D.; Ferraz-Mello, S.; et al. (2002). "Asteroids in the 2 : 1 resonance with Jupiter: dynamics and size distribution". Monthly Notices of the Royal Astronomical Society. 335 (2): 417–431. Bibcode:2002MNRAS.335..417R. doi:10.1046/j.1365-8711.2002.05635.x. 
  6. ^ Schmadel, Lutz; International Astronomical Union (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 357. ISBN 978-3-540-00238-3. Retrieved January 7, 2009. 

External links[edit]