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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2348729126693784 3.7343e-08  
a 2.297707497738763 8.6506e-09 au
q 1.758038245282591 8.8113e-08 au
i 1.713015648680183 4.0953e-06 deg
node 20.76407691898438 0.0001339 deg
peri 6.692082079618938 0.00013425 deg
M 355.3148885438782 9.9255e-06 deg
tp 2459217.056097113212
(2021-Jan-02.55609711)
3.5078e-05 TDB
period 1272.156493303554
3.48
7.1843e-06
1.967e-08
d
yr
n .2829840525870735 1.5981e-09 deg/d
Q 2.837376750194936 1.0682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      7883 days (21.58 yr)  
   first obs. used      1999-07-14  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:16:32  

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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