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357231 (2002 JE126)
Classification: Main-belt Asteroid          SPK-ID: 2357231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897850088026174 7.8236e-08  
a 2.394362854841269 2.0837e-08 au
q 1.939948679358559 1.9744e-07 au
i 11.92181454575598 5.5657e-06 deg
node 61.06600675999227 3.0821e-05 deg
peri 162.0515113379342 3.6801e-05 deg
M 311.1342781099652 2.7513e-05 deg
tp 2459184.189864877412
(2020-Nov-30.68986488)
0.0001053 TDB
period 1353.266641689661
3.71
1.7665e-05
4.836e-08
d
yr
n .2660229617058404 3.4726e-09 deg/d
Q 2.848777030323979 2.4792e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:27:50  

Additional Information
 Earth MOID = .933653 au 
 Jupiter MOID = 2.14228 au 
 T_jup = 3.476 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457476.5 (2016-Mar-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903958845838259 7.8171e-08  
q 1.938048673301798 1.9727e-07 au
tp 2457830.606106342404
(2017-Mar-18.10610634)
9.1953e-05 TDB
node 61.08994336814749 3.083e-05 deg
peri 162.019223688107 3.6799e-05 deg
i 11.92175969086363 5.5654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      6550 days (17.93 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 16:27:50  

Additional Information
 Jupiter MOID = 2.14228 au 
 T_jup = 3.476 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.110669112334903E-15 -1.538299146933661E-14 -4.583239086131364E-12 -3.111345388074406E-14 -7.888970323943698E-13 -1.930731780894356E-14
q -1.538299146933661E-14 3.891487749574794E-14 1.206641792962927E-11 7.504949129461742E-14 2.100752822558693E-12 5.110017914905351E-14
tp -4.583239086131364E-12 1.206641792962927E-11 8.455322481562437E-9 4.765500287149039E-12 1.864905728540026E-9 3.218056855340718E-11
node -3.111345388074406E-14 7.504949129461742E-14 4.765500287149039E-12 9.505044580381327E-10 -9.296906688549319E-10 -1.552320156968924E-11
peri -7.888970323943698E-13 2.100752822558693E-12 1.864905728540026E-9 -9.296906688549319E-10 1.354179826285118E-9 2.211380672789982E-11
i -1.930731780894356E-14 5.110017914905351E-14 3.218056855340718E-11 -1.552320156968924E-11 2.211380672789982E-11 3.097410071402624E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO455579  

357231 (2002 JE126)          Discovered 2002-May-07 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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