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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .535738577500973 0.0002645  
a 2.077759391029191 0.0011636 au
q .9646235304899244 9.3834e-06 au
i 5.466002563097664 0.0019015 deg
node 324.2302345239673 0.00015538 deg
peri 202.2447384822899 0.00058173 deg
M 335.9855487672141 0.2813 deg
tp 2459273.472877812709
(2021-Feb-27.97287781)		 0.91607 TDB
period 1093.934471286595
3.00		 0.91892
0.002516		 d
yr
n .3290873534468641 0.00027644 deg/d
Q 3.190895251568458 0.0017869 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 = .00153921 au 
 Jupiter MOID = 1.80055 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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