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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0616596258652207 4.9954e-08  
a 2.291650577185688 1.4162e-08 AU
q 2.150348259982602 1.1448e-07 AU
i 6.856393952629745 6.1881e-06 deg
node 30.30244928702178 4.6802e-05 deg
peri 56.47266439787777 7.4661e-05 deg
M 250.0329868664509 5.9929e-05 deg
tp 2457387.562371534174
(2015-Dec-31.06237153)
0.00021265 JED
period 1267.129567146455
3.47
1.1746e-05
3.216e-08
d
yr
n .2841067001622505 2.6337e-09 deg/d
Q 2.432952894388775 1.5036e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1133  
   data-arc span      9804 days (26.84 yr)  
   first obs. used      1987-10-22  
   last obs. used      2014-08-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48213  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 13:49:18  

Additional Information
 Earth MOID = 1.17404 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. 2014-Mar-01) Published Reference List:
[Warner, B.D. (2006) Minor Planet Bul. 33, 82-84.]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]

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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