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JPL Small-Body Database Browser
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442537 (2011 WE151)
Classification: Main-belt Asteroid          SPK-ID: 2442537
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1705673773710757 7.2886e-08  
a 3.106601900525138 6.9e-08 au
q 2.576716961816566 2.2239e-07 au
i 11.723307814918 1.2805e-05 deg
node 336.31506353548 3.8554e-05 deg
peri 81.13681817496636 5.4397e-05 deg
M 156.1107821476955 3.5229e-05 deg
tp 2457733.224194207694
(2016-Dec-10.72419421)		 0.00019293 TDB
period 1999.985432075034
5.48		 6.6632e-05
1.824e-07		 d
yr
n .1800013111227971 5.997e-09 deg/d
Q 3.636486839233711 8.0769e-08 au
   Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4072 days (11.15 yr)  
   first obs. used      2007-01-27  
   last obs. used      2018-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60684  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:14:08  

Additional Information
 Earth MOID = 1.62014 au 
 Jupiter MOID = 1.89024 au 
 T_jup = 3.166 
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[ 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 16.2   n/a MPO437721  

442537 (2011 WE151)          Discovered 2007-Jan-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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Alternate Designations
 2011 WE151 = 2007 EC193 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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