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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850813814322264 6.2951e-08  
a 2.778242540293144 3.4579e-08 au
q 2.264041572981911 1.647e-07 au
i 8.928957473177951 7.0267e-06 deg
node 67.10492569026179 3.4337e-05 deg
peri 191.9141507767197 3.8227e-05 deg
M 170.5599815961692 1.9127e-05 deg
tp 2458595.138816851145
(2019-Apr-21.63881685)
8.3149e-05 TDB
period 1691.428570956573
4.63
3.1578e-05
8.646e-08
d
yr
n .2128378378972309 3.9735e-09 deg/d
Q 3.292443507604377 4.0978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6111 days (16.73 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-12-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60357  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:31:31  

Additional Information
 Earth MOID = 1.24991 au 
 Jupiter MOID = 1.77142 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 16.41   n/a MPCxxxxx  

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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