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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05379655111572404 6.5962e-08  
a 2.364277047122284 1.5948e-08 AU
q 2.237087096105037 1.5704e-07 AU
i 2.491360493193531 6.5975e-06 deg
node 2.117973211198721 0.00013434 deg
peri 160.2226655725975 0.00014496 deg
M 139.3422914619795 5.5395e-05 deg
tp 2456486.543428568729
(2013-Jul-13.04342857)
0.00020337 JED
period 1327.840699144399
3.64
1.3435e-05
3.678e-08
d
yr
n .2711168592979322 2.7432e-09 deg/d
Q 2.491466998139531 1.6806e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      974  
   data-arc span      14511 days (39.73 yr)  
   first obs. used      1975-09-30  
   last obs. used      2015-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52503  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:58:37  

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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