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143052 (2002 WY2)
Classification: Main-belt Asteroid          SPK-ID: 2143052
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .091177714620972 1.1088e-07  
a 2.346063011607006 3.9482e-08 AU
q 2.132154347851885 2.5882e-07 AU
i 10.80977154818456 1.3087e-05 deg
node 88.08648670831256 6.2766e-05 deg
peri 166.3800600959343 0.00010158 deg
M 241.0261739497568 9.4138e-05 deg
tp 2457234.267353664503
(2015-Jul-30.76735366)
0.00035033 JED
period 1312.526061431995
3.59
3.3133e-05
9.071e-08
d
yr
n .2742802680864347 6.9238e-09 deg/d
Q 2.559971675362128 4.3082e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6113 days (16.74 yr)  
   first obs. used      1997-06-03  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .69781  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 06:58:33  

Additional Information
 Earth MOID = 1.11817 AU 
 T_jup = 3.532 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1 mag n/a MPO245128  

143052 (2002 WY2)          Discovered 2002-Nov-24 by Young, J. W. at Wrightwood (673)
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

Alternate Designations
 2002 WY2 = 2001 MQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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