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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350900413941697 3.784e-08  
a 2.298541576309544 8.7199e-09 au
q 1.758177341988713 8.9393e-08 au
i 1.712838627798711 4.1344e-06 deg
node 20.7751637052453 0.0001374 deg
peri 6.627276190484249 0.00013774 deg
M 298.7874130741455 1.014e-05 deg
tp 2459216.928876728846
(2021-Jan-02.42887673)
3.5918e-05 TDB
period 1272.849254300597
3.48
7.2431e-06
1.983e-08
d
yr
n .2828300356728513 1.6094e-09 deg/d
Q 2.838905810630374 1.077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7790 days (21.33 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:49:23  

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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