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JPL Small-Body Database Browser
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(2014 WG121)
Classification: Apollo [NEO]          SPK-ID: 3697800
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7294327701107869 0.00055187  
a 2.562100012331046 0.0046572 au
q .6932203030355298 0.00015387 au
i 4.676745115497799 0.0043038 deg
node 12.71057124707846 0.023251 deg
peri 145.3163409887309 0.019529 deg
M 107.2892085577211 1.2808 deg
tp 2458554.077489364826
(2019-Mar-11.57748936)
4.1122 TDB
period 1497.933538601884
4.10
4.0842
0.01118
d
yr
n .2403310899467613 0.00065528 deg/d
Q 4.430979721626562 0.0080542 au
  Orbit Determination Parameters
   # obs. used (total)      41  
   data-arc span      28 days  
   first obs. used      2014-11-20  
   last obs. used      2014-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .4852  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:37:19  

Additional Information
 Earth MOID = .0531249 au 
 Jupiter MOID = .577203 au 
 T_jup = 2.988 
[ 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 21.6   n/a MPCxxxxx  

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