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JPL Small-Body Database Browser
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(2015 WJ2)
Classification: Apollo [NEO]          SPK-ID: 3735491
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 2457348.5 (2015-Nov-22.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6484658233526297 0.0046893  
a 1.740149052949477 0.018374 au
q .6117218645722956 0.0017017 au
i 2.991344065456019 0.021686 deg
node 59.87739668491936 0.0019865 deg
peri 266.5077087193336 0.0054993 deg
M 22.45367698199168 0.42485 deg
tp 2457296.204650364455
(2015-Sep-30.70465036)
0.16125 TDB
period 838.4517994044053
2.30
13.28
0.03636
d
yr
n .4293627853810156 0.0068003 deg/d
Q 2.868576241326658 0.030289 au
  Orbit Determination Parameters
   # obs. used (total)      17  
   data-arc span      1 day  
   first obs. used      2015-11-21  
   last obs. used      2015-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .26142  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:26  

Additional Information
 Earth MOID = .00330791 au 
 Jupiter MOID = 2.49388 au 
 T_jup = 3.869 
[ 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 26.0   n/a MPO358491  

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