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(2018 CH)
Classification: Aten [NEO]          SPK-ID: 3798998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4012955647493387 0.00067367  
a .8173254565567547 0.00013081 au
q .4893363758838007 0.00062892 au
i 1.556156597425578 0.003093 deg
node 110.4040885451525 0.0040146 deg
peri 241.0195042527481 0.011994 deg
M 63.71993221189086 0.27351 deg
tp 2459152.729061898945
(2020-Oct-30.22906190)
0.19359 TDB
period 269.8925927791626
0.74
0.064791
0.0001774
d
yr
n 1.333863950444046 0.00032021 deg/d
Q 1.145314537229709 0.0001833 au
  Orbit Determination Parameters
   # obs. used (total)      36  
   data-arc span      9 days  
   first obs. used      2018-02-04  
   last obs. used      2018-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .51743  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:21:50  

Additional Information
 Earth MOID = .00925576 au 
 Jupiter MOID = 4.2787 au 
 T_jup = 7.092 
[ 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 26.4   n/a MPO435631  

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