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JPL Small-Body Database Browser
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(2015 WN2)
Classification: Apollo [NEO]          SPK-ID: 3735496
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149008329366854 1.7898e-07  
a 1.336259843373507 3.783e-08 au
q .9154705056753447 2.1844e-07 au
i 18.06871204019397 1.193e-05 deg
node 243.6241895490155 1.1969e-05 deg
peri 246.6999391207641 5.199e-05 deg
M 34.54988294904749 6.1546e-05 deg
tp 2458546.352441075752
(2019-Mar-03.85244108)
9.4246e-05 TDB
period 564.2022359808537
1.54
2.3959e-05
6.56e-08
d
yr
n .63806907708217 2.7096e-08 deg/d
Q 1.757049181071669 4.9743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      1057 days (2.89 yr)  
   first obs. used      2015-11-20  
   last obs. used      2018-10-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .69272  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-26 16:42:04  

Additional Information
 Earth MOID = .0653555 au 
 Jupiter MOID = 3.43274 au 
 T_jup = 4.808 
[ 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 23.1   n/a E2018U80  

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