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(2020 EJ)
Classification: Apollo [NEO]          SPK-ID: 54013543
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038143637637389 0.00044185  
a 1.09643368716752 0.00047946 au
q .8729647528083417 0.00010301 au
i 10.27814263097634 0.022168 deg
node 142.6635477764489 0.024143 deg
peri 133.4163357934785 0.051448 deg
M 353.0054538646008 0.044397 deg
tp 2459008.647587268900
(2020-Jun-08.14758727)
0.046371 TDB
period 419.3454957655477
1.15
0.27506
0.0007531
d
yr
n .8584806648341174 0.00056311 deg/d
Q 1.319902621526699 0.00057718 au
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      25 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-01 05:54:07  

Additional Information
 Earth MOID = .0681604 au 
 Jupiter MOID = 3.78487 au 
 T_jup = 5.630 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458917.5 (2020-Mar-09.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203830136628992 0.00044178  
q .8730623490256861 0.00010339 au
tp 2459008.627169238118
(2020-Jun-08.12716924)
0.046245 TDB
node 142.6876976906272 0.023991 deg
peri 133.361078756574 0.051123 deg
i 10.28033842915579 0.022159 deg
  Orbit Determination Parameters
   # obs. used (total)      27  
   data-arc span      25 days  
   first obs. used      2020-03-05  
   last obs. used      2020-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .50024  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Apr-01 05:54:07  

Additional Information
 Jupiter MOID = 3.78487 au 
 T_jup = 5.630 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.951703931916347E-7 -4.557269267080322E-8 -2.042231343733285E-5 1.059110267631744E-5 -2.255109277268778E-5 9.788407940343291E-6
q -4.557269267080322E-8 1.068902125806157E-8 4.759833011504141E-6 -2.467018307877678E-6 5.246402199669825E-6 -2.283380782585934E-6
tp -2.042231343733285E-5 4.759833011504141E-6 .002138600173201275 -.001109345328977468 .002363290001492852 -.001024651965973661
node 1.059110267631744E-5 -2.467018307877678E-6 -.001109345328977468 .000575557801697408 -.001226251688266221 .0005314782440642119
peri -2.255109277268778E-5 5.246402199669825E-6 .002363290001492852 -.001226251688266221 .002613570251230246 -.001131927265775542
i 9.788407940343291E-6 -2.283380782585934E-6 -.001024651965973661 .0005314782440642119 -.001131927265775542 .0004910306946127454

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.704   .41175 4 autocmod 2.8

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