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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180969997514712 2.7636e-08  
a 2.252528909944099 6.7366e-09 au
q 1.844888758709698 5.9827e-08 au
i 6.116399145889435 3.1745e-06 deg
node 44.48888897005691 3.3183e-05 deg
peri 224.2115159318574 3.5073e-05 deg
M 80.19257198932598 1.1306e-05 deg
tp 2458925.434812475689
(2020-Mar-16.93481248)
3.8771e-05 TDB
period 1234.820944786913
3.38
5.5395e-06
1.517e-08
d
yr
n .291540244372939 1.3079e-09 deg/d
Q 2.660169061178499 7.9557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      11076 days (30.32 yr)  
   first obs. used      1990-10-13  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:03:47  

Additional Information
 Earth MOID = .833211 au 
 Jupiter MOID = 2.43628 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 14.77   n/a E2021B10  
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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