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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09111762350307082 1.0559e-07  
a 2.345071995352876 1.9781e-08 AU
q 2.131394608192718 2.5348e-07 AU
i 10.80826041703206 1.0194e-05 deg
node 88.07293157868486 4.9293e-05 deg
peri 166.6744109695912 7.4139e-05 deg
M 295.603454667553 5.0924e-05 deg
tp 2457235.134984222742
(2015-Jul-31.63498422)
0.00018465 JED
period 1311.694499823213
3.59
1.6596e-05
4.544e-08
d
yr
n .2744541507557742 3.4725e-09 deg/d
Q 2.558749382513034 2.1583e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6593 days (18.05 yr)  
   first obs. used      1997-06-03  
   last obs. used      2015-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .67654  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 15:03:26  

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 16.2 mag n/a MPO338227  

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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