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(2020 EC)
Classification: Apollo [NEO]          SPK-ID: 54013535
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458913.5 (2020-Mar-05.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6949381021551335 0.0085154  
a 2.515021078387371 0.073305 au
q .7672371032926942 0.00094794 au
i 19.19874393561383 0.10031 deg
node 250.1957135194077 0.37479 deg
peri 174.2172783430186 0.5477 deg
M 15.17222283740082 0.72031 deg
tp 2458852.101525252537
(2020-Jan-03.60152525)
0.23057 TDB
period 1456.836690705583
3.99
63.693
0.1744
d
yr
n .2471107450112633 0.010804 deg/d
Q 4.262805053482048 0.12425 au
  Orbit Determination Parameters
   # obs. used (total)      35  
   data-arc span      12 days  
   first obs. used      2020-03-03  
   last obs. used      2020-03-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .63578  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-15 07:08:58  

Additional Information
 Earth MOID = .209208 au 
 Jupiter MOID = 1.10374 au 
 T_jup = 3.013 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e 7.251272022962839E-5 8.055281226822398E-6 .001963360059869699 -.003190896594225881 .004662493406582121 .0008541863164217046
q 8.055281226822398E-6 8.985820913878299E-7 .000218190079107028 -.0003549226068748364 .0005187704293621123 9.48752628217386E-5
tp .001963360059869699 .000218190079107028 .0531620735335926 -.08640703588070217 .1262606054138676 .02312766535420905
node -.003190896594225881 -.0003549226068748364 -.08640703588070217 .1404711688780415 -.2052729050164509 -.03758636737860167
peri .004662493406582121 .0005187704293621123 .1262606054138676 -.2052729050164509 .2999767180697466 .05492004346135712
i .0008541863164217046 9.48752628217386E-5 .02312766535420905 -.03758636737860167 .05492004346135712 .01006222731371088

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 19.4   .58743 E2020E49 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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