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190187 (2005 WB39)
Classification: Main-belt Asteroid          SPK-ID: 2190187
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203157826215554 4.4795e-08  
a 2.697985894659044 2.6756e-08 au
q 2.10357702077532 1.2728e-07 au
i 14.44758534833265 4.7999e-06 deg
node 250.2837332110099 2.2058e-05 deg
peri 350.1054113167511 2.5702e-05 deg
M 338.1962420364445 1.7312e-05 deg
tp 2459298.536272596620
(2021-Mar-25.03627260)
7.8848e-05 TDB
period 1618.668588863203
4.43
2.4079e-05
6.592e-08
d
yr
n .2224050077186148 3.3084e-09 deg/d
Q 3.292394768542769 3.2651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      367  
   data-arc span      7508 days (20.56 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:06:35  

Additional Information
 Earth MOID = 1.09062 au 
 Jupiter MOID = 1.75245 au 
 T_jup = 3.289 
[ 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 15.50   n/a E2021B55  

190187 (2005 WB39)          Discovered 2005-Nov-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 2005 WB39 = 2005 UY512 = 2007 DN25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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