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(2021 CE5)
Classification: Apollo [NEO]          SPK-ID: 54114207
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 2459255.5 (2021-Feb-10.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2335784517421285 0.00082074  
a 1.056320061535934 0.0013833 au
q .8095864570182207 0.00019324 au
i 29.30186697165359 0.10595 deg
node 320.3344875556521 0.0058685 deg
peri 85.08038948601839 0.20688 deg
M 70.34393707238523 0.29637 deg
tp 2459178.015311817278
(2020-Nov-24.51531182)
0.17425 TDB
period 396.5443065416706
1.09
0.77891
0.002133
d
yr
n .9078430683814891 0.0017832 deg/d
Q 1.303053666053647 0.0017063 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      3 days  
   first obs. used      2021-02-08  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .6256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:25:13  

Additional Information
 Earth MOID = .0293474 au 
 Jupiter MOID = 4.04322 au 
 T_jup = 5.690 
[ 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 25.50   .21315 E2021-CN9 autocmod 2.8

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