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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854488202759467 6.5079e-08  
a 2.777461471045811 4.2778e-08 au
q 2.26238451787847 1.7746e-07 au
i 8.930361343227391 7.4417e-06 deg
node 67.10158023433748 3.8719e-05 deg
peri 191.8808104692631 4.3062e-05 deg
M 86.27399487657041 1.8356e-05 deg
tp 2458595.320094244500
(2019-Apr-21.82009424)
8.3502e-05 TDB
period 1690.715334101133
4.63
3.906e-05
1.069e-07
d
yr
n .2129276246207311 4.9192e-09 deg/d
Q 3.292538424213153 5.0711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      5563 days (15.23 yr)  
   first obs. used      2004-03-18  
   last obs. used      2019-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62048  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:37  

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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