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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1869761793591048 5.409e-08  
a 2.208154248128787 1.3784e-08 AU
q 1.79528200337809 1.2061e-07 AU
i 3.099663481153233 5.5593e-06 deg
node 117.1854361646885 8.8877e-05 deg
peri 202.1670455049753 8.998e-05 deg
M 245.1256521673138 1.866e-05 deg
tp 2457182.939811814788
(2015-Jun-09.43981181)
6.4515e-05 JED
period 1198.512416835232
3.28
1.1222e-05
3.072e-08
d
yr
n .3003723573850064 2.8124e-09 deg/d
Q 2.621026492879484 1.6361e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1204  
   data-arc span      12559 days (34.38 yr)  
   first obs. used      1979-11-16  
   last obs. used      2014-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54192  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:56:02  

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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