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8284 Cranach (1991 TT13)
Classification: Main-belt Asteroid          SPK-ID: 2008284
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350763814393849 5.867e-08  
a 3.107066527951337 2.0837e-08 au
q 2.687375224464237 1.8629e-07 au
i 11.5872353109323 4.847e-06 deg
node 279.7385035427737 2.8361e-05 deg
peri 242.7322678950478 3.3291e-05 deg
M 279.6131402922674 2.0289e-05 deg
tp 2459047.190604782948
(2020-Jul-16.69060478)
0.00011493 TDB
period 2000.434129489855
5.48
2.0123e-05
5.509e-08
d
yr
n .1799609368251511 1.8103e-09 deg/d
Q 3.526757831438437 2.3652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1602  
   data-arc span      10250 days (28.06 yr)  
   first obs. used      1991-10-08  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46021  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:09:01  

Additional Information
 Earth MOID = 1.72119 au 
 Jupiter MOID = 1.66963 au 
 T_jup = 3.175 
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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 12.5   n/a MPO431594  
diameter diameter 19.628 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8284 Cranach           Discovered 1991 Oct. 8 by F. Borngen at Tautenburg.
Named in honor of the German painter, draftsman and copper engraver Lucas Cranach the Elder (1472-1553). As a friend of Luther and Melanchthon, he is reputed to be the primary master of the German Reformation period. His first work is ascertainable in Vienna; beginning in 1505, he was an esteemed court painter for the elector of Saxony Friedrich der Weise in Wittenberg. One of his best-known works is the altarpiece in the main church of Weimar, which was completed by his son Lucas Cranach the Younger.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19980610/MPCPages.arcLast Updated: 2009-11-17

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Alternate Designations
 1991 TT13 = 1993 BH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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