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19981 Bialystock (1989 YB6)
Classification: Main-belt Asteroid          SPK-ID: 2019981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2100926540919119 4.01e-08  
a 3.190777372508029 2.1693e-08 au
q 2.5204184857014 1.345e-07 au
i 14.62544178566006 4.4547e-06 deg
node 119.6649247620896 1.7208e-05 deg
peri 65.58233920550776 2.0075e-05 deg
M 134.6055558946749 9.435e-06 deg
tp 2458618.098494198592
(2019-May-14.59849420)
5.5398e-05 TDB
period 2081.820027605508
5.70
2.123e-05
5.812e-08
d
yr
n .172925610872362 1.7635e-09 deg/d
Q 3.861136259314658 2.625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      12455 days (34.10 yr)  
   first obs. used      1986-07-07  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:37  

Additional Information
 Earth MOID = 1.5664 au 
 Jupiter MOID = 1.37223 au 
 T_jup = 3.112 
[ 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 13.24   n/a MPCxxxxx  
diameter diameter 12.262 km 0.405 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19981 Bialystock           Discovered 1989 Dec. 29 by E. W. Elst at Haute Provence.
Settled in 1437, the Polish city of Bialystock had many occupiers until Jan Klemens Branicki (1689-1771), a commander in chief, became heir to the Bialystock area, where he built the magnificent Branicki castle.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070601/MPCPages.arcLast Updated: 2007-06-06

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Alternate Designations
 1989 YB6 = 1986 NL = 1991 KF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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