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193446 (2000 WR139)
Classification: Main-belt Asteroid          SPK-ID: 2193446
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06086331526724478 4.3768e-08  
a 2.570031388382802 2.3004e-08 au
q 2.413610757744945 1.2349e-07 au
i 4.340190235630278 5.8465e-06 deg
node 64.55429136480552 5.8477e-05 deg
peri 234.5551818015592 7.768e-05 deg
M 17.00958421575738 5.222e-05 deg
tp 2458929.395470807873
(2020-Mar-20.89547081)
0.00021817 TDB
period 1504.894545596984
4.12
2.0205e-05
5.532e-08
d
yr
n .2392194197615287 3.2118e-09 deg/d
Q 2.72645201902066 2.4404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      6863 days (18.79 yr)  
   first obs. used      2000-11-02  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56629  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:03:48  

Additional Information
 Earth MOID = 1.40095 au 
 Jupiter MOID = 2.38259 au 
 T_jup = 3.424 
[ 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 MPO436956  

193446 (2000 WR139)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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