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(2013 WR44)
Classification: Apollo [NEO]          SPK-ID: 3653915
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .409821208304939 8.2665e-08  
a 1.61887802296963 2.5616e-08 au
q .9554274754979055 1.2717e-07 au
i 32.07568234992997 2.5993e-05 deg
node 244.4320532988314 9.1046e-06 deg
peri 58.38913583505872 1.7278e-05 deg
M 135.0961929283991 1.7985e-05 deg
tp 2458718.167919983913
(2019-Aug-22.66791998)
3.2009e-05 TDB
period 752.3494674617543
2.06
1.7857e-05
4.889e-08
d
yr
n .4785010365123979 1.1357e-08 deg/d
Q 2.282328570441355 3.6114e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      2188 days (5.99 yr)  
   first obs. used      2013-11-26  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54066  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-24 04:51:50  

Additional Information
 Earth MOID = .0834655 au 
 Jupiter MOID = 3.14696 au 
 T_jup = 4.076 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.5   n/a MPO428321  

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