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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09111762616881457 1.0583e-07  
a 2.345072026409346 2.5282e-08 AU
q 2.131394630168034 2.5379e-07 AU
i 10.80825565089623 1.1285e-05 deg
node 88.07290755310515 6.1352e-05 deg
peri 166.6744912285919 8.6994e-05 deg
M 295.6033783527816 6.4105e-05 deg
tp 2457235.135266943939
(2015-Jul-31.63526694)
0.00023431 JED
period 1311.69452587994
3.59
2.1212e-05
5.808e-08
d
yr
n .2744541453037602 4.4384e-09 deg/d
Q 2.558749422650657 2.7586e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6477 days (17.73 yr)  
   first obs. used      1997-06-03  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .6727  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 19:59:05  

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
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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