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(2021 CE8)
Classification: Apollo [NEO]          SPK-ID: 54117603
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 2459259.5 (2021-Feb-14.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6254484905460984 0.0032033  
a 2.434326286217161 0.019533 au
q .9117805850059481 0.00056737 au
i 2.277017421749803 0.0072678 deg
node 318.0586995354533 0.016332 deg
peri 232.1850896599231 0.091208 deg
M 351.21579772942 0.10745 deg
tp 2459293.350605125452
(2021-Mar-19.85060513)
0.030586 TDB
period 1387.287936888326
3.80
16.698
0.04572
d
yr
n .2594991208584115 0.0031234 deg/d
Q 3.956871987428373 0.03175 au
  Orbit Determination Parameters
   # obs. used (total)      11  
   data-arc span      1 day  
   first obs. used      2021-02-13  
   last obs. used      2021-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .3097  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-13 23:42:07  

Additional Information
 Earth MOID = .0100645 au 
 Jupiter MOID = 1.02514 au 
 T_jup = 3.204 
[ 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 28.11   .2753 E2021-CV0 autocmod 2.8

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