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(2021 CG8)
Classification: Apollo [NEO]          SPK-ID: 54117605
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 2459262.5 (2021-Feb-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .648470270277454 0.00087476  
a 1.754473331460872 0.0034129 au
q .6167495360138553 0.00033502 au
i 1.37795297016883 0.0014975 deg
node 123.2876347324012 0.0053137 deg
peri 293.4476881263815 0.0022427 deg
M 22.37906762963894 0.077443 deg
tp 2459209.733526338515
(2020-Dec-26.23352634)
0.028631 TDB
period 848.8258238683861
2.32
2.4768
0.006781
d
yr
n .4241152776895481 0.0012375 deg/d
Q 2.892197126907889 0.0056261 au
  Orbit Determination Parameters
   # obs. used (total)      38  
   data-arc span      8 days  
   first obs. used      2021-02-13  
   last obs. used      2021-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .34947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-21 05:18:07  

Additional Information
 Earth MOID = .00845236 au 
 Jupiter MOID = 2.48839 au 
 T_jup = 3.850 
[ 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 25.95   .39638 E2021D74 autocmod 2.8

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