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JPL Small-Body Database Browser
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442516 (2011 WE79)
Classification: Main-belt Asteroid          SPK-ID: 2442516
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03164928241685609 7.5367e-08  
a 3.041233119212229 6.2445e-08 au
q 2.944980273326785 2.2876e-07 au
i 8.138528034600695 9.7441e-06 deg
node 249.5853734498423 5.0701e-05 deg
peri 278.568186256237 0.00016369 deg
M 112.4480068956757 0.00015194 deg
tp 2458395.406823923666
(2018-Oct-03.90682392)
0.00082459 TDB
period 1937.193458569494
5.30
5.9664e-05
1.634e-07
d
yr
n .1858358536198234 5.7236e-09 deg/d
Q 3.137485965097673 6.4422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4571 days (12.51 yr)  
   first obs. used      2006-12-24  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66059  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:41:35  

Additional Information
 Earth MOID = 1.96338 au 
 Jupiter MOID = 1.90381 au 
 T_jup = 3.224 
[ 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 16.3   n/a MPO434643  

442516 (2011 WE79)          Discovered 2011-Oct-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

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