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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3151165380794508 2.4329e-08  
a 1.336224478159473 2.2185e-08 au
q .9151580465048389 3.1227e-08 au
i 18.06729438208334 8.6333e-06 deg
node 243.6177353920382 1.0062e-05 deg
peri 246.7263695244094 3.1342e-05 deg
M 289.7384060718416 5.0437e-05 deg
tp 2459110.611596336453
(2020-Sep-18.11159634)
8.1693e-05 TDB
period 564.1798380158397
1.54
1.405e-05
3.847e-08
d
yr
n .6380944084533074 1.5891e-08 deg/d
Q 1.757290909814106 2.9176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      61  
   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      0  
   norm. resid. RMS      .70198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-11 06:20:31  

Additional Information
 Earth MOID = .0653873 au 
 Jupiter MOID = 3.43106 au 
 T_jup = 4.809 
[ 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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