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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1427580541607962 5.0162e-08  
a 2.726544232033526 1.3601e-08 au
q 2.337308082885077 1.3758e-07 au
i 7.181242417921402 5.5901e-06 deg
node 344.5801279462209 3.4731e-05 deg
peri 181.8411055804271 3.7957e-05 deg
M 125.4325181187458 1.5238e-05 deg
tp 2458627.539228533981
(2019-May-24.03922853)
6.9003e-05 TDB
period 1644.437031332631
4.50
1.2304e-05
3.369e-08
d
yr
n .218919905804031 1.638e-09 deg/d
Q 3.115780381181974 1.5542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1540  
   data-arc span      13702 days (37.51 yr)  
   first obs. used      1983-02-10  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48758  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:56  

Additional Information
 Earth MOID = 1.34413 au 
 Jupiter MOID = 1.86109 au 
 T_jup = 3.330 
[ 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 13.91   n/a E2021B10  
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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