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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06169794978193383 5.3349e-08  
a 2.291694584644825 1.3614e-08 AU
q 2.150301727245878 1.2113e-07 AU
i 6.856370988649789 7.5283e-06 deg
node 30.30877179753344 4.8736e-05 deg
peri 56.40152597065713 8.6286e-05 deg
M 193.286817736993 7.0201e-05 deg
tp 2457387.314687503555
(2015-Dec-30.81468750)
0.00024848 JED
period 1267.16606709604
3.47
1.1291e-05
3.091e-08
d
yr
n .2840985166411619 2.5315e-09 deg/d
Q 2.433087442043771 1.4454e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      9407 days (25.75 yr)  
   first obs. used      1987-10-22  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5268  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 18:55:19  

Additional Information
 Earth MOID = 1.17352 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 13.4 mag n/a MPO267732  
rotation period rot_per 10.639 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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