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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854488358001137 6.3133e-08  
a 2.777461449572515 3.5389e-08 au
q 2.262384457269596 1.6576e-07 au
i 8.930359293228834 7.0569e-06 deg
node 67.10156527595007 3.5493e-05 deg
peri 191.8808331291856 3.9329e-05 deg
M 86.27399440921282 1.8335e-05 deg
tp 2458595.320101138244
(2019-Apr-21.82010114)
8.3003e-05 TDB
period 1690.715314494075
4.63
3.2313e-05
8.847e-08
d
yr
n .2129276270900317 4.0695e-09 deg/d
Q 3.292538441875434 4.1952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6087 days (16.67 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:12:22  

Additional Information
 Earth MOID = 1.24816 au 
 Jupiter MOID = 1.77346 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850146493168416 6.2959e-08  
q 2.264579636529519 1.652e-07 au
tp 2456905.154913634152
(2014-Sep-04.65491363)
7.8421e-05 TDB
node 67.10854901174801 3.5488e-05 deg
peri 192.2058513206701 3.9384e-05 deg
i 8.930192746844856 7.0582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      193  
   data-arc span      6087 days (16.67 yr)  
   first obs. used      2004-03-18  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:12:22  

Additional Information
 Jupiter MOID = 1.77346 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.963802478964116E-15 -1.026732621456625E-14 -2.419193524385908E-12 -1.343252990863715E-14 -4.583834630324361E-13 3.118093164628275E-15
q -1.026732621456625E-14 2.729076467607316E-14 6.627697467550651E-12 3.31728891123179E-14 1.323357675088302E-12 -6.998755927142645E-15
tp -2.419193524385908E-12 6.627697467550651E-12 6.149926420653845E-9 -2.5817155500442E-12 1.359675133847867E-9 7.10336790353055E-13
node -1.343252990863715E-14 3.31728891123179E-14 -2.5817155500442E-12 1.259399025187615E-9 -1.244636544369185E-9 -1.045977417842756E-10
peri -4.583834630324361E-13 1.323357675088302E-12 1.359675133847867E-9 -1.244636544369185E-9 1.551137246361596E-9 1.037306199258622E-10
i 3.118093164628275E-15 -6.998755927142645E-15 7.10336790353055E-13 -1.045977417842756E-10 1.037306199258622E-10 4.981881127700875E-11

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

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