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175259 Offenberger (2005 JH91)
Classification: Main-belt Asteroid          SPK-ID: 2175259
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2396295097469577 1.1881e-07  
a 3.158831251433886 8.0502e-08 AU
q 2.401882067279415 3.6146e-07 AU
i 10.74402672461471 1.3893e-05 deg
node 87.54229245991461 7.016e-05 deg
peri 273.8106800074186 7.7813e-05 deg
M 146.0001648851555 3.1249e-05 deg
tp 2456168.853218082209
(2012-Aug-29.35321808)
0.00016607 JED
period 2050.633584735391
5.61
7.839e-05
2.146e-07
d
yr
n .1755554979103951 6.711e-09 deg/d
Q 3.915780435588357 9.9792e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      4495 days (12.31 yr)  
   first obs. used      2001-10-17  
   last obs. used      2014-02-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54513  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 13:35:32  

Additional Information
 Earth MOID = 1.42902 AU 
 T_jup = 3.134 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO280929  

175259 Offenberger           Discovered 2005 May 10 by B. Christophe at Saint-Sulpice.
Allan Offenberger (b. 1938), a retired physicist and professor emeritus at the University of Alberta, was the discoverer's thesis advisor. His principal research was on laser plasma interactions. He now promotes the creation of an "Alberta-Canada Fusion Energy Institute" for developing long-lasting clean-energy sources.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20080819/MPCPages.arcLast Updated: 2008-08-25

[ show close-approach data ]
Alternate Designations
 2005 JH91 = 2006 PR30 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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