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180301 (2003 WE139)
Classification: Main-belt Asteroid          SPK-ID: 2180301
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788461112489398 3.7176e-08  
a 2.601574536824756 1.4076e-08 au
q 2.136293047789387 9.4568e-08 au
i 5.360975278895665 4.42e-06 deg
node 71.01432005752203 5.6377e-05 deg
peri 331.2098649973381 5.8655e-05 deg
M 46.15348281813124 1.6829e-05 deg
tp 2459004.003501803678
(2020-Jun-03.50350180)
7.1063e-05 TDB
period 1532.684751645364
4.20
1.2439e-05
3.406e-08
d
yr
n .2348819609600302 1.9063e-09 deg/d
Q 3.066856025860125 1.6593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      622  
   data-arc span      7753 days (21.23 yr)  
   first obs. used      1999-12-15  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:25:57  

Additional Information
 Earth MOID = 1.14604 au 
 Jupiter MOID = 2.33728 au 
 T_jup = 3.385 
[ 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 15.9   n/a MPO449916  

180301 (2003 WE139)          Discovered 2003-Nov-21 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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