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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870262123865666 5.0554e-08  
a 2.208335435883864 1.2592e-08 AU
q 1.795318823631467 1.1202e-07 AU
i 3.099670218456741 5.1908e-06 deg
node 117.1849770407104 8.6491e-05 deg
peri 202.1432832891131 8.7497e-05 deg
M 305.2275737659942 1.7434e-05 deg
tp 2457182.870868908229
(2015-Jun-09.37086891)
5.9074e-05 JED
period 1198.659933859223
3.28
1.0253e-05
2.807e-08
d
yr
n .3003353910737124 2.5689e-09 deg/d
Q 2.62135204813626 1.4947e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1246  
   data-arc span      12971 days (35.51 yr)  
   first obs. used      1979-11-16  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52181  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:04:16  

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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