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(2021 CL4)
Classification: Apollo [NEO]          SPK-ID: 54111268
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 2459252.5 (2021-Feb-07.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4932595147144215 0.0032094  
a 1.796471787118719 0.010576 au
q .9103449852063901 0.00040625 au
i .5932270334447389 0.0036513 deg
node 98.17756849166219 0.027161 deg
peri 90.84946429244145 0.0043209 deg
M 343.4928807086714 0.15809 deg
tp 2459292.827176651569
(2021-Mar-19.32717665)
0.030109 TDB
period 879.4861985513862
2.41
7.7665
0.02126
d
yr
n .4093299026101387 0.0036147 deg/d
Q 2.682598589031047 0.015793 au
  Orbit Determination Parameters
   # obs. used (total)      13  
   data-arc span      8 days  
   first obs. used      2021-02-05  
   last obs. used      2021-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .55092  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-15 06:48:50  

Additional Information
 Earth MOID = .00710126 au 
 Jupiter MOID = 2.27172 au 
 T_jup = 3.919 
[ 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 26.7   .45637 E2021-CX0 autocmod 2.8

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