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172989 Xuliyang (2006 KW67)
Classification: Main-belt Asteroid          SPK-ID: 2172989
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1868883962442458 9.9532e-08  
a 2.343578474774382 4.2777e-08 AU
q 1.905590852151262 2.4567e-07 AU
i 4.603708059341612 1.3221e-05 deg
node 249.6884626136755 0.00019195 deg
peri 34.64139947367965 0.00020223 deg
M 57.9915536154102 5.4871e-05 deg
tp 2456589.404040562939
(2013-Oct-23.90404056)
0.00020052 JED
period 1310.441618814431
3.59
3.5879e-05
9.823e-08
d
yr
n .2747165496206504 7.5215e-09 deg/d
Q 2.781566097397502 5.0772e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      4047 days (11.08 yr)  
   first obs. used      2002-04-05  
   last obs. used      2013-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61077  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 13:08:05  

Additional Information
 Earth MOID = .890771 AU 
 T_jup = 3.535 
[ 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 17.5 mag n/a MPO264382  

172989 Xuliyang           Discovered 2006 May 25 by Q.-z. Ye and H.-C. Lin at Lulin.
Xu Liyang (b. 1989) is a good friend of the first discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20111210/MPCPages.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2006 KW67 = 2003 SH286 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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