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152657 Yukifumi (1997 XO2)
Classification: Main-belt Asteroid          SPK-ID: 2152657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417270591281197 1.0326e-07  
a 2.602322769466773 1.8708e-08 au
q 1.973270939501426 2.6032e-07 au
i 5.152074146950593 6.6307e-06 deg
node 114.5984414455506 5.675e-05 deg
peri 302.8709239311277 5.9052e-05 deg
M 190.5248626237607 2.0594e-05 deg
tp 2459922.344519049168
(2022-Dec-08.84451905)
9.3856e-05 TDB
period 1533.346016889754
4.20
1.6535e-05
4.527e-08
d
yr
n .2347806666170664 2.5318e-09 deg/d
Q 3.231374599432119 2.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      9656 days (26.44 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60239  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:28:04  

Additional Information
 Earth MOID = .990493 au 
 Jupiter MOID = 2.1381 au 
 T_jup = 3.366 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.69   n/a E2021B55  

152657 Yukifumi           Discovered 1997 Dec. 4 by A. Nakamura at Kuma Kogen.
Yukifumi Murakami (b. 1979), born in Ehime prefecture, is a Japanese javelin thrower. He participated in the Olympic Games in Athens (2004) and Beijing (2008). In 2009 he became the first Japanese athlete to win a World Championship medal in the javelin, with a throw of 82.97 meters.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100527/MPCPages.arcLast Updated: 2010-12-06

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