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10559 Yukihisa (1993 SJ1)
Classification: Main-belt Asteroid          SPK-ID: 2010559
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2069581311586836 5.9705e-08  
a 2.259925881429363 1.5778e-08 au
q 1.792215844451601 1.3099e-07 au
i 5.655638229192349 6.5381e-06 deg
node 171.8633404707478 5.8947e-05 deg
peri 141.6579001782846 6.1297e-05 deg
M 240.6052431664451 2.2268e-05 deg
tp 2457812.049876093576
(2017-Feb-27.54987609)
7.9911e-05 JED
period 1240.908389304151
3.40
1.2995e-05
3.558e-08
d
yr
n .2901100541369317 3.0382e-09 deg/d
Q 2.727635918407125 1.9043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1034  
   data-arc span      14328 days (39.23 yr)  
   first obs. used      1976-09-24  
   last obs. used      2015-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52469  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:14:52  

Additional Information
 Earth MOID = .780776 au 
 Jupiter MOID = 2.56334 au 
 T_jup = 3.586 
[ 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 14.6 mag n/a MPO332918  
rotation period rot_per 5.7969 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

10559 Yukihisa           Discovered 1993 Sept. 16 by K. Endate and K. Watanabe at Kitami.
Yukihisa Matsumoto (b. 1962), a former researcher of the Nishi Mino Observatory, now works at the board of education of Fujihashi Village. This amateur astronomer formed a club in his school days and actively participated in astronomical activities.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020328/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1993 SJ1 = 1976 ST2 = 1986 PP5 = 1992 GO5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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