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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09124964571617289 1.0556e-07  
a 2.345230946623738 1.9719e-08 au
q 2.131229453621717 2.5348e-07 au
i 10.80776980050431 1.0194e-05 deg
node 88.07043008684303 4.9296e-05 deg
peri 166.7595842797426 7.4082e-05 deg
M 45.31218543672914 5.0448e-05 deg
tp 2457235.383923794562
(2015-Jul-31.88392379)
0.00018443 JED
period 1311.827863985024
3.59
1.6545e-05
4.53e-08
d
yr
n .2744262489641017 3.4611e-09 deg/d
Q 2.55923243962576 2.1519e-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 = 1.11605 au 
 Jupiter MOID = 2.48436 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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