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17459 Andreashofer (1990 TJ8)
Classification: Main-belt Asteroid          SPK-ID: 2017459
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808303671576625 3.7985e-08  
a 2.252697985096032 8.7185e-09 au
q 1.84534178135579 8.6948e-08 au
i 6.117212460639915 4.6979e-06 deg
node 44.51111913963287 3.4085e-05 deg
peri 224.3354249111498 3.7939e-05 deg
M 265.1720890997551 2.0289e-05 deg
tp 2458925.801873846012
(2020-Mar-17.30187385)		 7.0551e-05 TDB
period 1234.959976158895
3.38		 7.1694e-06
1.963e-08		 d
yr
n .2915074228718817 1.6923e-09 deg/d
Q 2.660054188836274 1.0295e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1472  
   data-arc span      10448 days (28.61 yr)  
   first obs. used      1990-10-13  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:19:58  

Additional Information
 Earth MOID = .835016 au 
 Jupiter MOID = 2.4374 au 
 T_jup = 3.597 
[ 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 14.7   n/a MPO365462  
diameter diameter 4.038 km 0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17459 Andreashofer           Discovered 1990 Oct. 13 by F. Borngen and L. D. Schmadel at Tautenburg.
Innkeeper Andreas Hofer (1767-1810) headed the Tyrolese popular rising against French occupation and was executed by a firing squad on order of Napoleon. His patriotic and heroic engagement is the subject of numerous dramatic plays, stories and poems, notably by Rosegger, Eichendorff and Koerner.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1990 TJ8 = 1952 KT = 1999 FR56 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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