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JPL Small-Body Database Browser
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(2015 WB1)
Classification: Apollo [NEO]          SPK-ID: 3735394
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6499284115342325 0.00055535  
a 2.332084962263091 0.0034532 au
q .8163966871765698 8.6267e-05 au
i 3.881026525727585 0.0022782 deg
node 41.31593188676897 0.0019585 deg
peri 315.0260812173497 0.0011499 deg
M 358.792512425782 0.79768 deg
tp 2458604.863099822223
(2019-May-01.36309982)
2.892 TDB
period 1300.813333021325
3.56
2.8892
0.00791
d
yr
n .2767499308788974 0.00061469 deg/d
Q 3.847773237349613 0.0056975 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      13 days  
   first obs. used      2015-11-18  
   last obs. used      2015-12-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .25479  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:31  

Additional Information
 Earth MOID = .0128635 au 
 Jupiter MOID = 1.60417 au 
 T_jup = 3.246 
[ 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 23.5   n/a MPO361307  

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