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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09111765698732846 1.1091e-07  
a 2.345072051196845 3.9245e-08 AU
q 2.13139458042532 2.5884e-07 AU
i 10.8082590059115 1.3086e-05 deg
node 88.07291490125155 6.2796e-05 deg
peri 166.6745260486324 0.00010168 deg
M 295.6033206314123 9.5175e-05 deg
tp 2457235.135480977443
(2015-Jul-31.63548098)
0.00035061 JED
period 1311.694546676931
3.59
3.2927e-05
9.015e-08
d
yr
n .2744541409522743 6.8896e-09 deg/d
Q 2.55874952196837 4.2821e-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 = 1.11906 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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