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(2019 CH4)
Classification: Amor [NEO]          SPK-ID: 3838243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146272751279897 0.00033911  
a 1.297564655237232 0.00060638 au
q 1.019071888981276 3.6228e-05 au
i 23.20902420037386 0.018489 deg
node 137.5776115023431 0.00068591 deg
peri 24.75566949766113 0.01209 deg
M 304.182684596525 0.20428 deg
tp 2459084.206345487248
(2020-Aug-22.70634549)
0.36502 TDB
period 539.8734094892178
1.48
0.37844
0.001036
d
yr
n .6668229878937755 0.00046743 deg/d
Q 1.576057421493189 0.00073653 au
  Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      8 days  
   first obs. used      2019-02-04  
   last obs. used      2019-02-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .56619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-12 06:55:02  

Additional Information
 Earth MOID = .0485851 au 
 Jupiter MOID = 3.43553 au 
 T_jup = 4.907 
[ 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 25.3   .49792 MPO467460 autocmod 2.6q

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