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JPL Small-Body Database Browser
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(2005 WD)
Classification: Apollo [NEO, PHA]          SPK-ID: 3303213
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5600458322147105 5.1718e-08  
a 2.307362935691794 1.0781e-08 au
q 1.015133940150906 1.1805e-07 au
i 26.15697594002986 3.6453e-05 deg
node 227.6790007620622 6.8619e-06 deg
peri 160.9673769985827 5.0961e-05 deg
M 308.2798386068057 1.2665e-05 deg
tp 2458784.420299564193
(2019-Oct-27.92029956)
4.4231e-05 TDB
period 1280.183705146406
3.50
8.9725e-06
2.457e-08
d
yr
n .2812096408919915 1.9709e-09 deg/d
Q 3.599591931232682 1.6819e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5081 days (13.91 yr)  
   first obs. used      2005-11-19  
   last obs. used      2019-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45749  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-18 05:50:03  

Additional Information
 Earth MOID = .0434051 au 
 Jupiter MOID = 1.93366 au 
 T_jup = 3.245 
[ 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 21.9   n/a MPO243089  

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