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(2018 CH2)
Classification: Apollo [NEO]          SPK-ID: 3799274
[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5357433510436155 0.00026435  
a 2.07740945961407 0.0011614 au
q .9644511542307216 9.9825e-06 au
i 5.465990396027151 0.0019032 deg
node 324.2327359998181 0.00015677 deg
peri 202.256571035182 0.00063986 deg
M 270.1432880384942 0.22622 deg
tp 2459273.479231161633
(2021-Feb-27.97923116)		 0.91616 TDB
period 1093.658126065057
2.99		 0.91712
0.002511		 d
yr
n .3291705071449221 0.00027604 deg/d
Q 3.190367764997418 0.0017836 au
   Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      5 days  
   first obs. used      2018-02-08  
   last obs. used      2018-02-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .58937  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-08 06:27:37  

Additional Information
 Earth MOID = .00150178 au 
 Jupiter MOID = 1.80192 au 
 T_jup = 3.567 
[ 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 28.0   n/a MPO435639  

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