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9128 Takatumuzi (1998 HQ52)
Classification: Main-belt Asteroid          SPK-ID: 2009128
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870442689065476 4.8907e-08  
a 2.208346002971707 8.0237e-09 au
q 1.795287539353167 1.0632e-07 au
i 3.099607440117853 4.1522e-06 deg
node 117.1840171975988 8.3393e-05 deg
peri 202.0872449348254 8.4167e-05 deg
M 65.39972709927875 1.2033e-05 deg
tp 2457182.742791029119
(2015-Jun-09.24279103)
3.9776e-05 JED
period 1198.668537416293
3.28
6.5328e-06
1.789e-08
d
yr
n .300333235387969 1.6368e-09 deg/d
Q 2.621404466590246 9.5245e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1460  
   data-arc span      13177 days (36.08 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50496  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:09:28  

Additional Information
 Earth MOID = .780631 au 
 Jupiter MOID = 2.66365 au 
 T_jup = 3.634 
[ 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 14.0 mag n/a MPO319200  

9128 Takatumuzi           Discovered 1998 Apr. 30 by T. Okuni at Nanyo.
The 693-m Mount Takatumuzi is located in the east of Nanyo city, Yamagata prefecture. The mountain is well suited for astronomical observations and is also known as a base for hang gliders.
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
 1998 HQ52 = 1979 WO1 = 1982 QB3 = 1984 BG2 = 1997 CK28 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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