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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09117757684711411 1.2046e-07  
a 2.346063017934148 4.2345e-08 AU
q 2.132154676828284 2.8383e-07 AU
i 10.80977421921885 1.4114e-05 deg
node 88.08648335793933 6.4868e-05 deg
peri 166.3800597643691 0.00010316 deg
M 241.0261774171207 9.5345e-05 deg
tp 2457234.267342777574
(2015-Jul-30.76734278)
0.00035502 JED
period 1312.526066741659
3.59
3.5535e-05
9.729e-08
d
yr
n .2742802669768674 7.4259e-09 deg/d
Q 2.559971359040011 4.6206e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      149  
   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      .69501  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 13:11:08  

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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