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100047 Leobaeck (1991 TU6)
Classification: Main-belt Asteroid          SPK-ID: 2100047
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046680984925608 4.2051e-08  
a 2.421553934712196 1.3699e-08 au
q 1.925939095497472 1.0328e-07 au
i 1.753456777612518 3.9673e-06 deg
node 280.6898358744913 0.0001738 deg
peri 40.84328227699027 0.00017443 deg
M 302.9421465301239 2.1326e-05 deg
tp 2459418.648672799487
(2021-Jul-23.14867280)
8.304e-05 TDB
period 1376.384098453289
3.77
1.1679e-05
3.198e-08
d
yr
n .261554896198343 2.2194e-09 deg/d
Q 2.917168773926921 1.6503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      10452 days (28.62 yr)  
   first obs. used      1991-09-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:20  

Additional Information
 Earth MOID = .911722 au 
 Jupiter MOID = 2.40254 au 
 T_jup = 3.484 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.96   n/a E2021B55  
diameter diameter 1.847 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.469 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.226   0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100047 Leobaeck           Discovered 1991 Oct. 2 by F. Börngen and L. D. Schmadel at Tautenburg.
Leo Baeck (1873-1956) was a leading liberal Jewish religious thinker. His The Essence of Judaism appeared in 1905. After liberation from Theresienstadt he participated in the resumption of German-Jewish dialogue. He became president of both the Council of Jews from Germany and the World Union for Progressive Judaism.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

Alternate Designations
 1991 TU6 = 2002 NV11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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