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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 ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870411162932131 4.841e-08  
a 2.208120145477641 7.9433e-09 au
q 1.795110888557971 1.0507e-07 au
i 3.099664302635194 4.0094e-06 deg
node 117.1826636383169 8.2219e-05 deg
peri 202.0547810357878 8.2995e-05 deg
M 125.5092129934216 1.2112e-05 deg
tp 2457182.664262524225
(2015-Jun-09.16426252)
3.974e-05 JED
period 1198.484652271408
3.28
6.4669e-06
1.771e-08
d
yr
n .3003793159284235 1.6208e-09 deg/d
Q 2.621129402397311 9.429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1521  
   data-arc span      13259 days (36.30 yr)  
   first obs. used      1979-11-16  
   last obs. used      2016-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50943  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:02:23  

Additional Information
 Earth MOID = .78187 au 
 Jupiter MOID = 2.66496 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 14.1 mag n/a MPO365358  

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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