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8129 Michaelbusch (1975 SK1)
Classification: Main-belt Asteroid          SPK-ID: 2008129
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05376633530467134 6.5999e-08  
a 2.364097694103685 1.6043e-08 AU
q 2.236988824789506 1.5701e-07 AU
i 2.491350379385374 6.5973e-06 deg
node 2.12295022348684 0.00013551 deg
peri 160.1139108462492 0.00014622 deg
M 85.2279072784163 5.5579e-05 deg
tp 2456486.177203344768
(2013-Jul-12.67720334)
0.00020446 JED
period 1327.689607891381
3.64
1.3515e-05
3.7e-08
d
yr
n .2711477124323864 2.7601e-09 deg/d
Q 2.491206563417864 1.6906e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      970  
   data-arc span      14142 days (38.72 yr)  
   first obs. used      1975-09-30  
   last obs. used      2014-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52397  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:18:54  

Additional Information
 Earth MOID = 1.24495 AU 
 T_jup = 3.546 
[ 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 14.1 mag n/a MPO263421  

8129 Michaelbusch           Discovered 1975 Sept. 30 by S. J. Bus at Palomar.
Named in honor of Michael W. Busch (b. 1987), a Jansky Fellow at the Department of Earth and Space Sciences of the University of California, Los Angeles. Busch is a radar astronomer who studies NEAs, with a particular interest in contact binary asteroids.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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