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JPL Small-Body Database Browser
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441641 (2008 WZ13)
Classification: Apollo [NEO, PHA]          SPK-ID: 2441641
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 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5607521924452266 6.142e-08  
a 1.997000938111043 3.8336e-08 au
q .8771782837501017 1.1389e-07 au
i 8.179809363074236 8.0669e-06 deg
node 51.94631051154916 5.5826e-05 deg
peri 133.6673017830522 5.5929e-05 deg
M 187.0879879832588 2.3488e-05 deg
tp 2459095.594946822680
(2020-Sep-03.09494682)
8.1224e-05 TDB
period 1030.779636286392
2.82
2.9681e-05
8.126e-08
d
yr
n .3492502056957376 1.0057e-08 deg/d
Q 3.116823592471985 5.9833e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      3993 days (10.93 yr)  
   first obs. used      2008-11-20  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34658  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-28 06:14:54  

Additional Information
 Earth MOID = .0104625 au 
 Jupiter MOID = 1.86671 au 
 T_jup = 3.621 
[ 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 18.6   n/a MPO235392  

441641 (2008 WZ13)          Discovered 2008-Nov-20 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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