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136239 (2003 WG142)
Classification: Main-belt Asteroid          SPK-ID: 2136239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350900345207998 5.4159e-08  
a 2.298541579042068 1.4783e-08 au
q 1.758177359877575 1.1996e-07 au
i 1.712839892493943 5.6675e-06 deg
node 20.77508946216607 0.00018958 deg
peri 6.627346149188408 0.00018998 deg
M 298.787412509179 1.794e-05 deg
tp 2459216.928879112332
(2021-Jan-02.42887911)
6.4751e-05 TDB
period 1272.849256570357
3.48
1.2279e-05
3.362e-08
d
yr
n .2828300351685055 2.7285e-09 deg/d
Q 2.838905798206561 1.8258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      7240 days (19.82 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:12:53  

Additional Information
 Earth MOID = .762792 au 
 Jupiter MOID = 2.61236 au 
 T_jup = 3.555 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO338184  

136239 (2003 WG142)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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