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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187026212526442 5.0574e-08  
a 2.208335433148705 1.3261e-08 AU
q 1.795318821098963 1.1204e-07 AU
i 3.099670205001265 5.1913e-06 deg
node 117.1849825463048 8.716e-05 deg
peri 202.1432755716197 8.8227e-05 deg
M 305.2275777065301 1.8488e-05 deg
tp 2457182.870855448962
(2015-Jun-09.37085545)
6.2698e-05 JED
period 1198.659931632302
3.28
1.0796e-05
2.956e-08
d
yr
n .300335391631688 2.7052e-09 deg/d
Q 2.621352045198447 1.5741e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1237  
   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      .52203  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 00:28:44  

Additional Information
 Earth MOID = .783492 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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