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136619 (1994 CH18)
Classification: Main-belt Asteroid          SPK-ID: 2136619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090797674918169 3.8401e-08  
a 2.241409068653622 9.6174e-09 au
q 1.772775781725473 8.8596e-08 au
i 4.12678606184515 5.1734e-06 deg
node 30.78752343219548 5.8067e-05 deg
peri 64.47568008751352 5.9869e-05 deg
M 340.8776981245352 1.6549e-05 deg
tp 2459065.605515677278
(2020-Aug-04.10551568)
5.6633e-05 TDB
period 1225.688507401544
3.36
7.8887e-06
2.16e-08
d
yr
n .2937124708488937 1.8904e-09 deg/d
Q 2.710042355581771 1.1628e-08 au
  Orbit Determination Parameters
   # obs. used (total)      546  
   data-arc span      9397 days (25.73 yr)  
   first obs. used      1994-02-08  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 16:04:28  

Additional Information
 Earth MOID = .794151 au 
 Jupiter MOID = 2.4812 au 
 T_jup = 3.602 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO493780  

136619 (1994 CH18)          Discovered 1994-Feb-08 by Elst, E. W. at La Silla
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

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