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(2021 CX8)
Classification: Apollo [NEO]          SPK-ID: 54121902
[ 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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2699006150990233 0.0015283  
a 1.277427841244246 0.002208 au
q .9326492811478063 0.00034018 au
i 7.796050871942717 0.038184 deg
node 343.2870772382548 0.013111 deg
peri 233.5405885707215 0.029441 deg
M 314.2810515904156 0.12528 deg
tp 2459326.472532946561
(2021-Apr-21.97253295)		 0.012206 TDB
period 527.3549086205051
1.44		 1.3673
0.003743		 d
yr
n .6826522217110206 0.00177 deg/d
Q 1.622206401340685 0.002804 au
   Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      9 days  
   first obs. used      2021-02-13  
   last obs. used      2021-02-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .6578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-22 05:18:43  

Additional Information
 Earth MOID = .0165965 au 
 Jupiter MOID = 3.36167 au 
 T_jup = 5.019 
[ 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 24.18   .49552 E2021D77 autocmod 2.8

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