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JPL Small-Body Database Browser
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(2020 CH)
Classification: Apollo [NEO]          SPK-ID: 3989401
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.


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Orbital Elements at Epoch 2458881.5 (2020-Feb-02.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4554684553846132 0.0011022  
a 1.755037429189624 0.0034472 au
q .9556732421744435 5.7283e-05 au
i 8.739007846721044 0.016395 deg
node 133.6287519890759 0.0015349 deg
peri 41.49897944571099 0.0058753 deg
M 344.5174480030685 0.048741 deg
tp 2458918.023134935262
(2020-Mar-09.52313494)
0.0073733 TDB
period 849.2352281006482
2.33
2.5021
0.00685
d
yr
n .4239108177426362 0.0012489 deg/d
Q 2.554401616204805 0.0050173 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      13 days  
   first obs. used      2020-02-01  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .4892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-15 05:02:39  

Additional Information
 Earth MOID = .0297622 au 
 Jupiter MOID = 2.4276 au 
 T_jup = 3.987 
[ 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 25.268   .38438 4 autocmod 2.8

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