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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869762462749306 5.0577e-08  
a 2.208154254540174 1.3311e-08 AU
q 1.795281860830234 1.12e-07 AU
i 3.099660835190814 5.193e-06 deg
node 117.1855735293612 8.7174e-05 deg
peri 202.1668975031207 8.8243e-05 deg
M 245.1256544015771 1.8122e-05 deg
tp 2457182.939806042100
(2015-Jun-09.43980604)
6.2705e-05 JED
period 1198.512422055062
3.28
1.0837e-05
2.967e-08
d
yr
n .3003723560768075 2.716e-09 deg/d
Q 2.621026648250113 1.58e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1219  
   data-arc span      12625 days (34.57 yr)  
   first obs. used      1979-11-16  
   last obs. used      2014-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52563  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:41:35  

Additional Information
 Earth MOID = .781567 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 13.9 mag n/a MPO259406  

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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