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(2021 CH5)
Classification: Apollo [NEO]          SPK-ID: 54114210
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 2459255.5 (2021-Feb-10.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4824054119400502 0.0019891  
a 1.838179968481917 0.0068272 au
q .9514320035664492 0.00012417 au
i 1.144125986715459 0.0040212 deg
node 231.0012852181004 0.06893 deg
peri 310.7481334366104 0.061332 deg
M 346.9822108445336 0.076757 deg
tp 2459288.416617650594
(2021-Mar-14.91661765)
0.01112 TDB
period 910.2914644486934
2.49
5.0714
0.01388
d
yr
n .3954777278044999 0.0022033 deg/d
Q 2.724927933397385 0.010121 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      3 days  
   first obs. used      2021-02-08  
   last obs. used      2021-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .31753  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-11 04:12:06  

Additional Information
 Earth MOID = .00536938 au 
 Jupiter MOID = 2.23658 au 
 T_jup = 3.872 
[ 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 26.8   .3227 E2021-CK0 autocmod 2.8

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