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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1852921005331936 6.2962e-08  
a 2.777736285541888 3.4596e-08 au
q 2.263043694466561 1.6469e-07 au
i 8.929922258198248 7.0278e-06 deg
node 67.10398615417583 3.4334e-05 deg
peri 191.8975838460272 3.8215e-05 deg
M 128.8507095361571 1.8717e-05 deg
tp 2458595.271656146227
(2019-Apr-21.77165615)
8.3028e-05 TDB
period 1690.966270746208
4.63
3.1591e-05
8.649e-08
d
yr
n .2128960265074567 3.9774e-09 deg/d
Q 3.292428876617215 4.1007e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:55:17  

Additional Information
 Earth MOID = 1.24716 au 
 Jupiter MOID = 1.7726 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457689.5 (2016-Oct-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1851533544769623 6.2804e-08  
q 2.263925429508206 1.6416e-07 au
tp 2456905.249078437925
(2014-Sep-04.74907844)
7.7751e-05 TDB
node 67.10780408096814 3.4325e-05 deg
peri 192.196281507457 3.8257e-05 deg
i 8.930851013658682 7.0303e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 16:55:17  

Additional Information
 Jupiter MOID = 1.7726 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.944377301886818E-15 -1.018492221508541E-14 -2.460192745498032E-12 -1.343264897461464E-14 -4.7048296994137E-13 3.091356532929285E-15
q -1.018492221508541E-14 2.694781815982515E-14 6.796315284072847E-12 3.27975406749629E-14 1.373258462177178E-12 -6.856092115099666E-15
tp -2.460192745498032E-12 6.796315284072847E-12 6.045231674282179E-9 -2.009469719401825E-12 1.329943507842364E-9 6.277788782048352E-13
node -1.343264897461464E-14 3.27975406749629E-14 -2.009469719401825E-12 1.178231583523043E-9 -1.164391249666272E-9 -1.101547661436398E-10
peri -4.7048296994137E-13 1.373258462177178E-12 1.329943507842364E-9 -1.164391249666272E-9 1.463598663138628E-9 1.0919414519628E-10
i 3.091356532929285E-15 -6.856092115099666E-15 6.277788782048352E-13 -1.101547661436398E-10 1.0919414519628E-10 4.942500522673587E-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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