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(2019 CE4)
Classification: Apollo [NEO, PHA]          SPK-ID: 3838240
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6598787941326385 5.4378e-05  
a 2.853123849618511 0.00054859 au
q .9704079242211764 3.1759e-05 au
i 20.66861066317053 4.9649e-05 deg
node 38.59619582206481 0.0014653 deg
peri 347.0524725196115 0.0048523 deg
M 149.0290858951645 0.043566 deg
tp 2458471.801459176418
(2018-Dec-19.30145918)
0.0028597 TDB
period 1760.27030643554
4.82
0.50769
0.00139
d
yr
n .204514044623625 5.8985e-05 deg/d
Q 4.735839775015845 0.00091059 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      79 days  
   first obs. used      2019-02-08  
   last obs. used      2019-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .47055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 21:04:38  

Additional Information
 Earth MOID = .0121156 au 
 Jupiter MOID = .75617 au 
 T_jup = 2.865 
[ show covariance matrix ]

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 18.1   .43807 MPO467459 autocmod 2.6q

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