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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06155978975428621 4.9402e-08  
a 2.29118656654337 1.2523e-08 au
q 2.150141603219115 1.1365e-07 au
i 6.857002903795744 5.8442e-06 deg
node 30.30005694882425 4.5029e-05 deg
peri 56.6708679899249 6.8443e-05 deg
M 3.500663607869761 5.2536e-05 deg
tp 2457388.182091114075
(2015-Dec-31.68209111)
0.00018483 JED
period 1266.74473633056
3.47
1.0385e-05
2.843e-08
d
yr
n .2841930103793674 2.3299e-09 deg/d
Q 2.432231529867625 1.3294e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1195  
   data-arc span      10285 days (28.16 yr)  
   first obs. used      1987-10-22  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48354  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:59:01  

Additional Information
 Earth MOID = 1.17362 au 
 Jupiter MOID = 2.6816 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. 2015-December); 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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