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(2021 CD2)
Classification: Apollo [NEO]          SPK-ID: 54110088
[ 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 2459254.5 (2021-Feb-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5095159657822819 0.0010395  
a 1.572767168035542 0.0028854 au
q .7714171854632483 0.00021973 au
i 13.41177683774531 0.025752 deg
node 318.516340767918 0.0050063 deg
peri 271.2197444120784 0.014908 deg
M 327.4187102274488 0.10711 deg
tp 2459319.701989929435
(2021-Apr-15.20198993)		 0.034912 TDB
period 720.4354566212315
1.97		 1.9826
0.005428		 d
yr
n .4996977823500846 0.0013751 deg/d
Q 2.374117150607835 0.0043556 au
   Orbit Determination Parameters
   # obs. used (total)      64  
   data-arc span      14 days  
   first obs. used      2021-02-06  
   last obs. used      2021-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .39671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-21 05:18:01  

Additional Information
 Earth MOID = .0561383 au 
 Jupiter MOID = 2.75982 au 
 T_jup = 4.229 
[ 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 22.91   .51053 E2021D74 autocmod 2.8

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