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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2045620188461877 4.2051e-08  
a 2.421581483950487 1.3847e-08 au
q 1.926217886793029 1.0323e-07 au
i 1.753464539102812 3.9673e-06 deg
node 280.6912463327914 0.00017379 deg
peri 40.8354733656502 0.00017442 deg
M 250.6265641948411 2.096e-05 deg
tp 2459418.673407799614
(2021-Jul-23.17340780)
8.3046e-05 TDB
period 1376.407586537208
3.77
1.1806e-05
3.232e-08
d
yr
n .2615504328232416 2.2434e-09 deg/d
Q 2.916945081107947 1.668e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:49:38  

Additional Information
 Earth MOID = .913968 au 
 Jupiter MOID = 2.40284 au 
 T_jup = 3.484 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456545.5 (2013-Sep-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054318741593131 4.2159e-08  
q 1.924312969635292 1.037e-07 au
tp 2456662.691901973094
(2014-Jan-05.19190197)
6.4417e-05 TDB
node 280.952410301994 0.00017326 deg
peri 40.11201118620401 0.00017389 deg
i 1.756858290741822 3.9733e-06 deg
  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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57548  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:49:38  

Additional Information
 Jupiter MOID = 2.40284 au 
 T_jup = 3.484 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.777401204701662E-15 -4.347127831568035E-15 5.414713850156442E-13 -8.780632480916882E-15 1.346590316456319E-13 -2.020170974185272E-16
q -4.347127831568035E-15 1.07540347080214E-14 -8.214163897285039E-13 2.002220977916449E-14 -2.180880162255491E-13 5.747037409122781E-16
tp 5.414713850156442E-13 -8.214163897285039E-13 4.149586082350498E-9 -1.829352447711145E-11 9.881621850400396E-10 -2.436889457657495E-13
node -8.780632480916882E-15 2.002220977916449E-14 -1.829352447711145E-11 3.0020091143055E-8 -3.000968718579625E-8 6.441300072856799E-11
peri 1.346590316456319E-13 -2.180880162255491E-13 9.881621850400396E-10 -3.000968718579625E-8 3.023745814605117E-8 -6.444521923433876E-11
i -2.020170974185272E-16 5.747037409122781E-16 -2.436889457657495E-13 6.441300072856799E-11 -6.444521923433876E-11 1.578680305700046E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO469005  
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. 2019-August); 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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