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JPL Small-Body Database Browser
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442509 (2011 WH47)
Classification: Main-belt Asteroid          SPK-ID: 2442509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1796798069524362 7.0246e-08  
a 2.696614279567144 5.0711e-08 au
q 2.212087146389337 2.1235e-07 au
i 9.170226303753601 6.5388e-06 deg
node 73.81456917139772 4.9752e-05 deg
peri 305.0510421415595 5.6257e-05 deg
M 272.7999628137406 3.0362e-05 deg
tp 2458992.278718332608
(2020-May-22.77871833)
0.00014442 TDB
period 1617.434385933534
4.43
4.5625e-05
1.249e-07
d
yr
n .2225747165578027 6.2784e-09 deg/d
Q 3.181141412744951 5.9823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4195 days (11.49 yr)  
   first obs. used      2007-12-05  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67585  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:19  

Additional Information
 Earth MOID = 1.2294 au 
 Jupiter MOID = 2.30791 au 
 T_jup = 3.328 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO446755  

442509 (2011 WH47)          Discovered 2007-Dec-05 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 WH47 = 2007 YX26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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