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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5600457649228225 4.2351e-08  
a 2.307362950891605 8.5881e-09 au
q 1.015134102104935 9.4726e-08 au
i 26.15703155514211 2.5398e-05 deg
node 227.6790082169609 5.3092e-06 deg
peri 160.967364673289 4.7879e-05 deg
M 308.2798332615126 1.1735e-05 deg
tp 2458784.420320389777
(2019-Oct-27.92032039)
4.0758e-05 TDB
period 1280.18371779627
3.50
7.1474e-06
1.957e-08
d
yr
n .281209638113278 1.57e-09 deg/d
Q 3.599591799678275 1.3398e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5112 days (14.00 yr)  
   first obs. used      2005-11-19  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46787  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-18 05:00:02  

Additional Information
 Earth MOID = .0434053 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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