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6159 (1991 YH)
Classification: Main-belt Asteroid          SPK-ID: 2006159
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06189174361783463 5.4259e-08  
a 2.291044102294185 1.3776e-08 AU
q 2.149247388097841 1.2361e-07 AU
i 6.857563313177989 7.5735e-06 deg
node 30.31326926135979 4.9614e-05 deg
peri 56.178761053458 8.6695e-05 deg
M 79.84786854507441 6.9826e-05 deg
tp 2456119.562684778628
(2012-Jul-11.06268478)		 0.00024507 JED
period 1266.626590321587
3.47		 1.1424e-05
3.128e-08		 d
yr
n .2842195187996162 2.5635e-09 deg/d
Q 2.432840816490529 1.4629e-08 AU
   Orbit Determination Parameters
   # obs. used (total)      1078  
   data-arc span      9302 days (25.47 yr)  
   first obs. used      1987-10-22  
   last obs. used      2013-04-10  
   planetary ephem.      DE405  
   SB-pert. ephem.      SB405-CPV-2  
   condition code      0  
   fit RMS      .52047  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Apr-29 13:20:18  

Additional Information
 Earth MOID = 1.17249 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 12.8 mag n/a PDS3 (MPC 24225)  
rotation period rot_per 10.639 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List:
[Warner, B.D. (2006) Minor Planet Bul. 33, 82-84.]

6159 (1991 YH)          Discovered 1991-Dec-30 by Ueda and Kaneda at Kushiro (399)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 YH = 1987 UY4 = 1990 OZ1 = 1990 SB17 
[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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