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(2015 WP2)
Classification: Apollo [NEO]          SPK-ID: 3735497
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4569880631150767 0.00027645  
a 1.43429501002118 0.00055645 au
q .7788393114559812 9.4501e-05 au
i 1.718534097632947 0.0009023 deg
node 58.06244612573049 8.5422e-05 deg
peri 287.9010849559113 0.0014551 deg
M 256.804110400173 0.57722 deg
tp 2459180.352325054795
(2020-Nov-26.85232505)
1.1107 TDB
period 627.4168212590793
1.72
0.36512
0.0009996
d
yr
n .5737812372922421 0.0003339 deg/d
Q 2.089750708586378 0.00081074 au
  Orbit Determination Parameters
   # obs. used (total)      40  
   data-arc span      2 days  
   first obs. used      2015-11-21  
   last obs. used      2015-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50127  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:30:26  

Additional Information
 Earth MOID = .000531598 au 
 Jupiter MOID = 3.33497 au 
 T_jup = 4.561 
[ 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 30.1   n/a MPO358493  

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