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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2348729121390081 3.7744e-08  
a 2.297707499943862 8.6727e-09 au
q 1.758038248188407 8.9079e-08 au
i 1.713015523533791 4.1213e-06 deg
node 20.76408086199237 0.00013521 deg
peri 6.692078017542971 0.00013557 deg
M 355.3148885212105 1.0068e-05 deg
tp 2459217.056097217147
(2021-Jan-02.55609722)
3.5583e-05 TDB
period 1272.156495134877
3.48
7.2026e-06
1.972e-08
d
yr
n .282984052179706 1.6022e-09 deg/d
Q 2.837376751699316 1.071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      605  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:04:51  

Additional Information
 Earth MOID = .76144 au 
 Jupiter MOID = 2.61494 au 
 T_jup = 3.556 
[ 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 16.70   n/a E2021B55  

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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