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442513 (2011 WZ66)
Classification: Main-belt Asteroid          SPK-ID: 2442513
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3283945514602034 1.1003e-07  
a 2.632754803315283 3.7104e-08 au
q 1.768172470575865 3.0835e-07 au
i 6.127801094145914 1.1177e-05 deg
node 355.5963634274192 5.3429e-05 deg
peri 37.72427283952909 6.3657e-05 deg
M 12.86773387493936 2.6388e-05 deg
tp 2458944.728334081304
(2020-Apr-05.22833408)
0.00011381 TDB
period 1560.321337530406
4.27
3.2985e-05
9.031e-08
d
yr
n .2307217054211338 4.8775e-09 deg/d
Q 3.497337136054701 4.9289e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7570 days (20.73 yr)  
   first obs. used      1998-10-14  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:20  

Additional Information
 Earth MOID = .778696 au 
 Jupiter MOID = 1.98332 au 
 T_jup = 3.312 
[ 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 17.4   n/a MPO477090  

442513 (2011 WZ66)          Discovered 2007-Dec-19 by Mt. Lemmon Survey at Mount Lemmon
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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