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JPL Small-Body Database Browser
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(2015 WA13)
Classification: Apollo [NEO]          SPK-ID: 3735599
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2733164681784265 5.2462e-07  
a 1.377785182158197 9.9286e-07 au
q 1.001213802262149 1.831e-08 au
i 4.823104884135902 1.0189e-05 deg
node 68.41406118608649 9.5115e-06 deg
peri 9.823196819812459 4.6623e-05 deg
M 31.53025990763447 0.00081056 deg
tp 2458548.763655319876
(2019-Mar-06.26365532)
0.0012741 TDB
period 590.7050604532087
1.62
0.00063851
1.748e-06
d
yr
n .6094411984955672 6.5876e-07 deg/d
Q 1.754356562054246 1.2642e-06 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   # delay obs. used      2  
   # Doppler obs. used      1  
   data-arc span      35 days  
   first obs. used      2015-11-29  
   last obs. used      2016-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .41125  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:24  

Additional Information
 Earth MOID = .0178062 au 
 Jupiter MOID = 3.49066 au 
 T_jup = 4.763 
[ 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 26.1   n/a E2016A29  

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