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6009 Yuzuruyoshii (1990 FQ1)
Classification: Main-belt Asteroid          SPK-ID: 2006009
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515988714548117 5.3859e-08  
a 2.436803002717157 1.3603e-08 AU
q 2.06738641754754 1.3125e-07 AU
i 22.7184327803029 9.5543e-06 deg
node 213.3226309151739 1.4989e-05 deg
peri 78.04022243230568 4.0802e-05 deg
M 102.5692886923921 3.6275e-05 deg
tp 2456604.637920646273
(2013-Nov-08.13792065)
0.00013842 JED
period 1389.405643581422
3.80
1.1635e-05
3.185e-08
d
yr
n .2591035970402716 2.1697e-09 deg/d
Q 2.806219587886774 1.5666e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      863  
   data-arc span      20793 days (56.93 yr)  
   first obs. used      1957-11-27  
   last obs. used      2014-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:00:36  

Additional Information
 Earth MOID = 1.17034 AU 
 T_jup = 3.383 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO313468  
rotation period rot_per 3.0302 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2010) http://www.asu.cas.cz/~ppravec/neo.htm]

6009 Yuzuruyoshii           Discovered 1990 Mar. 24 by E. F. Helin at Palomar.
Yuzuru Yoshii (b. 1951) is the director of the Institute of Astronomy, University of Tokyo. His research interest includes formation and evolution of galaxies, galactic dynamics, and observational cosmology. He is famous for his discovery of the thick-disk component of the Milky Way galaxy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20121029/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1990 FQ1 = 1952 HE3 = 1957 WJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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