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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1897850090177209 7.8828e-08  
a 2.394362854616707 2.0969e-08 au
q 1.939948678661579 1.9857e-07 au
i 11.92181576254244 5.7696e-06 deg
node 61.06600473669884 3.1055e-05 deg
peri 162.05151319359 3.6965e-05 deg
M 311.1342783220677 2.7521e-05 deg
tp 2459184.189864054261
(2020-Nov-30.68986405)
0.00010533 TDB
period 1353.266641499281
3.71
1.7777e-05
4.867e-08
d
yr
n .2660229617432651 3.4946e-09 deg/d
Q 2.848777030571835 2.4948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6500 days (17.80 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:59  

Additional Information
 Earth MOID = .933653 au 
 Jupiter MOID = 2.14228 au 
 T_jup = 3.476 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457386.5 (2015-Dec-30.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903699628572367 7.875e-08  
q 1.938073735374248 1.9835e-07 au
tp 2457830.644417546694
(2017-Mar-18.14441755)
9.1994e-05 TDB
node 61.09038558260694 3.1064e-05 deg
peri 162.0275439643823 3.6968e-05 deg
i 11.92185677135053 5.7695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      189  
   data-arc span      6500 days (17.80 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68646  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:28:59  

Additional Information
 Jupiter MOID = 2.14228 au 
 T_jup = 3.476 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.201640057293488E-15 -1.558054912978265E-14 -4.584858315813632E-12 -3.378417776534399E-14 -7.933969468707386E-13 -1.869376355024231E-14
q -1.558054912978265E-14 3.934235899122682E-14 1.206858947614872E-11 8.207673850337095E-14 2.109219127808836E-12 4.921920097370761E-14
tp -4.584858315813632E-12 1.206858947614872E-11 8.462933236414092E-9 1.036227059155216E-11 1.861396814355541E-9 3.000753638024291E-11
node -3.378417776534399E-14 8.207673850337095E-14 1.036227059155216E-11 9.64941595834145E-10 -9.426035763236616E-10 -2.125650222499356E-11
peri -7.933969468707386E-13 2.109219127808836E-12 1.861396814355541E-9 -9.426035763236616E-10 1.366597659897095E-9 2.72935004802592E-11
i -1.869376355024231E-14 4.921920097370761E-14 3.000753638024291E-11 -2.125650222499356E-11 2.72935004802592E-11 3.32867647181399E-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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