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392698 (2011 WP140)
Classification: Main-belt Asteroid          SPK-ID: 2392698
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854488324322467 6.3417e-08  
a 2.777461454327537 3.6563e-08 au
q 2.262384470496926 1.675e-07 au
i 8.930359904768958 7.1168e-06 deg
node 67.10157125493056 3.6638e-05 deg
peri 191.8808254817806 4.0467e-05 deg
M 86.27399450697281 1.8338e-05 deg
tp 2458595.320099638617
(2019-Apr-21.82009964)
8.3073e-05 TDB
period 1690.715318835839
4.63
3.3385e-05
9.14e-08
d
yr
n .2129276265432326 4.2045e-09 deg/d
Q 3.292538438158149 4.3344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      6059 days (16.59 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:23:11  

Additional Information
 Earth MOID = 1.24816 au 
 Jupiter MOID = 1.77346 au 
 T_jup = 3.292 
[ 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 16.3   n/a MPO437608  

392698 (2011 WP140)          Discovered 2011-Oct-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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