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JPL Small-Body Database Browser
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233869 (2008 WE20)
Classification: Main-belt Asteroid          SPK-ID: 2233869
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06885674334457743 9.7561e-08  
a 2.771370112194852 3.1313e-08 au
q 2.580542591666618 2.6393e-07 au
i 1.1374256160593 8.6704e-06 deg
node 59.98761683076499 0.00038392 deg
peri 265.2932759660732 0.00039258 deg
M 179.9849293832939 8.5874e-05 deg
tp 2457757.992333231170
(2017-Jan-04.49233323)		 0.00040053 TDB
period 1685.15642435189
4.61		 2.856e-05
7.819e-08		 d
yr
n .2136300196217427 3.6206e-09 deg/d
Q 2.962197632723086 3.3469e-08 au
   Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      6533 days (17.89 yr)  
   first obs. used      2001-03-21  
   last obs. used      2019-02-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70434  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:34:21  

Additional Information
 Earth MOID = 1.56787 au 
 Jupiter MOID = 2.25219 au 
 T_jup = 3.333 
[ 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 16.5   n/a MPO427345  

233869 (2008 WE20)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 WE20 = 2006 FZ18 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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