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JPL Small-Body Database Browser
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382850 (2004 EJ30)
Classification: Main-belt Asteroid          SPK-ID: 2382850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007006377957233 8.1119e-08  
a 3.009357926945744 5.0016e-08 au
q 2.405377871652118 2.2721e-07 au
i 2.672145150534037 1.1768e-05 deg
node 71.23370186233571 0.00018106 deg
peri 114.0265172346413 0.00018503 deg
M 317.3594527872247 4.1365e-05 deg
tp 2458826.354871780267
(2019-Dec-08.85487178)
0.00022333 TDB
period 1906.817786253359
5.22
4.7537e-05
1.301e-07
d
yr
n .1887962251009583 4.7067e-09 deg/d
Q 3.613337982239371 6.0054e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5440 days (14.89 yr)  
   first obs. used      2004-03-11  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:19:33  

Additional Information
 Earth MOID = 1.40913 au 
 Jupiter MOID = 1.34674 au 
 T_jup = 3.217 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456478.5 (2013-Jul-05.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025488874502575 8.0975e-08  
q 2.401604153058179 2.2784e-07 au
tp 2456916.840205944690
(2014-Sep-16.34020594)
0.00018825 TDB
node 71.28780191877613 0.00018072 deg
peri 113.608247036221 0.00018462 deg
i 2.675087759440331 1.1777e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5440 days (14.89 yr)  
   first obs. used      2004-03-11  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:19:33  

Additional Information
 Jupiter MOID = 1.34674 au 
 T_jup = 3.217 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.556958574972517E-15 -1.822380753486586E-14 6.061599639218866E-12 7.522875622088933E-14 1.114983112088348E-12 -3.309594882235274E-15
q -1.822380753486586E-14 5.191048474710774E-14 -1.318475490719154E-11 -1.88765576479684E-13 -2.418751353350909E-12 1.09917929113193E-14
tp 6.061599639218866E-12 -1.318475490719154E-11 3.543899185897685E-8 2.088246916405484E-10 7.159740129719544E-9 1.285247779204518E-11
node 7.522875622088933E-14 -1.88765576479684E-13 2.088246916405484E-10 3.265848538956354E-8 -3.257740647202469E-8 2.72728330776403E-10
peri 1.114983112088348E-12 -2.418751353350909E-12 7.159740129719544E-9 -3.257740647202469E-8 3.408386791340466E-8 -2.697083464598547E-10
i -3.309594882235274E-15 1.09917929113193E-14 1.285247779204518E-11 2.72728330776403E-10 -2.697083464598547E-10 1.387061736110733E-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 16.5   n/a MPO418956  

382850 (2004 EJ30)          Discovered 2004-Mar-15 by CSS at Catalina
Reference: Last Updated: 2014-01-21

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