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(2021 CE3)
Classification: Amor [NEO]          SPK-ID: 54111242
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09129548999523825 0.00025232  
a 1.132933865513419 0.00042387 au
q 1.029502113129172 0.00010118 au
i 7.602519546294078 0.018294 deg
node 317.6419180957155 0.0030184 deg
peri 190.1175958653526 0.070868 deg
M 310.5945380299293 0.064518 deg
tp 2459260.947414405114
(2021-Feb-15.44741441)
0.07203 TDB
period 440.45877354661
1.21
0.24719
0.0006768
d
yr
n .8173296154399438 0.00045869 deg/d
Q 1.236365617897666 0.00046257 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      2 days  
   first obs. used      2021-02-07  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:04  

Additional Information
 Earth MOID = .0438689 au 
 Jupiter MOID = 3.74931 au 
 T_jup = 5.514 
[ 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 26.70   .3815 E2021-CI3 autocmod 2.8

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