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JPL Small-Body Database Browser
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476904 (2008 WK32)
Classification: Apollo [NEO]          SPK-ID: 2476904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 55 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3789262675558518 8.4909e-08  
a 1.396312221366383 7.3943e-09 au
q .8672128429813989 1.2103e-07 au
i 15.45272806563647 1.1434e-05 deg
node 58.79446298708678 1.4919e-05 deg
peri 139.8741279872288 1.1778e-05 deg
M 12.55549855265469 8.5568e-06 deg
tp 2458579.481404260105
(2019-Apr-05.98140426)
1.4174e-05 TDB
period 602.6598174998198
1.65
4.7872e-06
1.311e-08
d
yr
n .597351921509364 4.745e-09 deg/d
Q 1.925411599751366 1.0196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      3700 days (10.13 yr)  
   first obs. used      2008-11-21  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-22 08:40:33  

Additional Information
 Earth MOID = .0690348 au 
 Jupiter MOID = 3.06536 au 
 T_jup = 4.651 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.2   n/a E2016S92  

476904 (2008 WK32)          Discovered 2008-Nov-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-11-20

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