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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05379655377119183 6.5808e-08  
a 2.364277048404823 1.5778e-08 AU
q 2.237087091040318 1.5681e-07 AU
i 2.491360820526 6.5908e-06 deg
node 2.117949661520425 0.00013266 deg
peri 160.2226855937249 0.0001432 deg
M 139.3422941937381 5.5184e-05 deg
tp 2456486.543418074578
(2013-Jul-13.04341807)
0.00020252 JED
period 1327.840700224861
3.64
1.3292e-05
3.639e-08
d
yr
n .2711168590773248 2.714e-09 deg/d
Q 2.491467005769327 1.6627e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      993  
   data-arc span      14575 days (39.90 yr)  
   first obs. used      1975-09-30  
   last obs. used      2015-08-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52425  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:24:00  

Additional Information
 Earth MOID = 1.24555 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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