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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181106956146467 3.6712e-08  
a 2.253284686680195 8.5202e-09 au
q 1.845199155744099 8.3808e-08 au
i 6.116087617406079 4.6349e-06 deg
node 44.50063533990926 3.4034e-05 deg
peri 224.2895485975732 3.7548e-05 deg
M 21.81089811746186 1.9405e-05 deg
tp 2458925.649695221166
(2020-Mar-17.14969522)
6.6386e-05 TDB
period 1235.442464370918
3.38
7.0072e-06
1.918e-08
d
yr
n .2913935779140556 1.6527e-09 deg/d
Q 2.661370217616291 1.0063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1517  
   data-arc span      10832 days (29.66 yr)  
   first obs. used      1990-10-13  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50029  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:10:37  

Additional Information
 Earth MOID = .835268 au 
 Jupiter MOID = 2.43645 au 
 T_jup = 3.596 
[ 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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