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541706 (2011 WJ40)
Classification: Main-belt Asteroid          SPK-ID: 2541706
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .188432909429355 8.1882e-08  
a 3.040283177795615 3.6786e-08 au
q 2.467393773114463 2.5522e-07 au
i 10.99185019580244 1.114e-05 deg
node 192.2565990174003 2.8781e-05 deg
peri 221.6558386946298 4.2245e-05 deg
M 294.7514768701892 2.9256e-05 deg
tp 2459747.443874867168
(2022-Jun-16.94387487)
0.0001606 TDB
period 1936.285894177705
5.30
3.5142e-05
9.621e-08
d
yr
n .1859229574942927 3.3743e-09 deg/d
Q 3.613172582476768 4.3717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      2000-09-04  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Earth MOID = 1.48937 au 
 Jupiter MOID = 1.84949 au 
 T_jup = 3.185 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457495.5 (2016-Apr-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1930088387934621 8.0305e-08  
q 2.447531891925871 2.5004e-07 au
tp 2457817.181711581791
(2017-Mar-04.68171158)
0.00013974 TDB
node 192.5935097385816 2.8823e-05 deg
peri 221.7125975616373 4.1518e-05 deg
i 10.99647128925069 1.1144e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      7594 days (20.79 yr)  
   first obs. used      2000-09-04  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61983  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:39  

Additional Information
 Jupiter MOID = 1.84949 au 
 T_jup = 3.185 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.448840753667655E-15 -1.995226044843132E-14 -7.81650624883008E-12 2.263262636411293E-14 -1.681583250217445E-12 -7.279044820936977E-15
q -1.995226044843132E-14 6.251927845156998E-14 2.503943369087286E-11 -7.161470348815215E-14 5.337686683491411E-12 2.256211744981541E-14
tp -7.81650624883008E-12 2.503943369087286E-11 1.952651977625596E-8 -4.099508681418244E-11 4.184623054190549E-9 -1.427642966892824E-12
node 2.263262636411293E-14 -7.161470348815215E-14 -4.099508681418244E-11 8.307915052007353E-10 -8.236008395743724E-10 -3.656965799573478E-11
peri -1.681583250217445E-12 5.337686683491411E-12 4.184623054190549E-9 -8.236008395743724E-10 1.723706439147856E-9 3.562389544882451E-11
i -7.279044820936977E-15 2.256211744981541E-14 -1.427642966892824E-12 -3.656965799573478E-11 3.562389544882451E-11 1.241793937709039E-10

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 16.63   .5075 MPCxxxxx autocmod 2.8

541706 (2011 WJ40)          Discovered 2011-Nov-03 by ISON at Mayhill-ISON
Reference: Last Updated: 2019-12-13

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