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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0617213995662665 4.9348e-08  
a 2.291714132265199 1.0915e-08 au
q 2.150266328615999 1.1354e-07 au
i 6.857097288827751 5.2829e-06 deg
node 30.2958451412701 4.385e-05 deg
peri 56.82691838170004 6.296e-05 deg
M 60.18156634424236 4.4531e-05 deg
tp 2457388.663848725797
(2016-Jan-01.16384873)
0.00015654 JED
period 1267.182280077179
3.47
9.0529e-06
2.479e-08
d
yr
n .2840948817387771 2.0296e-09 deg/d
Q 2.433161935914399 1.1588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1290  
   data-arc span      10399 days (28.47 yr)  
   first obs. used      1987-10-22  
   last obs. used      2016-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49394  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:54:49  

Additional Information
 Earth MOID = 1.1728 au 
 Jupiter MOID = 2.68029 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 13.5 mag n/a MPO358690  
rotation period rot_per 10.639 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 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
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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