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

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05424277048359712 4.2752e-08  
a 2.364185309358457 8.0686e-09 au
q 2.235945348242234 1.0273e-07 au
i 2.489264255306449 4.1976e-06 deg
node 2.074246233464661 7.7345e-05 deg
peri 159.6186696404659 8.3667e-05 deg
M 322.2792744273254 3.1686e-05 deg
tp 2459139.622776260140
(2020-Oct-17.12277626)
0.00011693 TDB
period 1327.763416351994
3.64
6.7972e-06
1.861e-08
d
yr
n .2711326397206315 1.388e-09 deg/d
Q 2.492425270474679 8.5063e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1930  
   data-arc span      16289 days (44.60 yr)  
   first obs. used      1975-09-30  
   last obs. used      2020-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:23:08  

Additional Information
 Earth MOID = 1.2437 au 
 Jupiter MOID = 2.47607 au 
 T_jup = 3.546 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO358710  
diameter diameter 4.110 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

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