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20016 Rietschel (1991 TU13)
Classification: Main-belt Asteroid          SPK-ID: 2020016
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174071336900951 3.9364e-08  
a 2.644721880389002 1.6311e-08 au
q 2.334212665005051 1.0609e-07 au
i 7.999389834779488 4.5779e-06 deg
node 333.6381265479167 2.9969e-05 deg
peri 73.49880620447271 3.6314e-05 deg
M 241.6111374947137 2.3607e-05 deg
tp 2459517.126627366767
(2021-Oct-29.62662737)
0.0001056 TDB
period 1570.971980947376
4.30
1.4533e-05
3.979e-08
d
yr
n .2291574925371372 2.1199e-09 deg/d
Q 2.955231095772954 1.8226e-08 au
  Orbit Determination Parameters
   # obs. used (total)      939  
   data-arc span      14350 days (39.29 yr)  
   first obs. used      1980-03-20  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53317  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:59:50  

Additional Information
 Earth MOID = 1.35836 au 
 Jupiter MOID = 2.42682 au 
 T_jup = 3.370 
[ 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 14.6   n/a MPO474029  
diameter diameter 3.447 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.136   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20016 Rietschel           Discovered 1991 Oct. 8 by F. Borngen at Tautenburg.
German sculptor Ernst Rietschel (1804-1861), a pupil of Rauch, created in the classicistic style. His main works are the bronze sculptures of Lessing in Braunschweig and Luther in Worms. He also worked the popular Goethe and Schiller monument in front of the Weimar national theater.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010509/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1991 TU13 = 1997 CO12 = 1999 RV148 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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