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19992 Schonbein (1990 TS9)
Classification: Main-belt Asteroid          SPK-ID: 2019992
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1424744176596591 5.0054e-08  
a 2.724585205372361 1.3317e-08 au
q 2.336401514872811 1.3688e-07 au
i 7.176405664732024 5.6079e-06 deg
node 344.6403626183234 3.4944e-05 deg
peri 181.4301989637794 3.8197e-05 deg
M 82.04945196023496 1.536e-05 deg
tp 2458626.111757234453
(2019-May-22.61175723)
6.9647e-05 TDB
period 1642.665053520619
4.50
1.2043e-05
3.297e-08
d
yr
n .2191560593734158 1.6068e-09 deg/d
Q 3.112768895871911 1.5214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1524  
   data-arc span      13702 days (37.51 yr)  
   first obs. used      1983-02-10  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:05:25  

Additional Information
 Earth MOID = 1.34361 au 
 Jupiter MOID = 1.86522 au 
 T_jup = 3.331 
[ 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 13.9   n/a MPO384926  
diameter diameter 9.012 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19992 Schönbein           Discovered 1990 Oct. 10 by F. Borngen and L. D. Schmadel at Tautenburg.
German chemist Christian Friedrich Schönbein (1799-1868) was a professor in Basle from 1828. Best known for his discovery of ozone in 1839, he also invented nitrocellulose and collodion wool. He is considered a cofounder of geochemistry.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1990 TS9 = 1983 CC8 = 1999 UH26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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