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(2021 CE3)
Classification: Amor [NEO]          SPK-ID: 54111242
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09116157523902742 0.00025254  
a 1.13309614815409 0.00042329 au
q 1.029801318391089 0.00010038 au
i 7.601777655194899 0.018295 deg
node 317.657478667081 0.0029037 deg
peri 190.0563376935144 0.071149 deg
M 147.1849605662232 0.1316 deg
tp 2458820.381008456187
(2019-Dec-02.88100846)
0.2553 TDB
period 440.5534146037816
1.21
0.24687
0.0006759
d
yr
n .8171540341453747 0.0004579 deg/d
Q 1.236390977917091 0.00046188 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      2 days  
   first obs. used      2021-02-07  
   last obs. used      2021-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .38956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-09 05:42:05  

Additional Information
 Earth MOID = .0442469 au 
 Jupiter MOID = 3.75025 au 
 T_jup = 5.513 
[ 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 26.70   .3815 E2021-CI3 autocmod 2.8

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