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8197 Mizunohiroshi (1993 VX)
Classification: Main-belt Asteroid          SPK-ID: 2008197
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430229225611775 1.9454e-08  
a 2.781735055014862 1.0917e-08 au
q 2.383883177655759 5.7617e-08 au
i 7.883337266848819 3.087e-07 deg
node 90.65772072003465 1.9669e-06 deg
peri 338.1058967930365 7.9401e-06 deg
M 299.6509776795476 9.7738e-06 deg
tp 2459484.579444483147
(2021-Sep-27.07944448)
4.665e-05 TDB
period 1694.619002622585
4.64
9.9762e-06
2.731e-08
d
yr
n .2124371315575157 1.2506e-09 deg/d
Q 3.179586932373966 1.2479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2287  
   data-arc span      23921 days (65.49 yr)  
   first obs. used      1955-07-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:24:59  

Additional Information
 Earth MOID = 1.39988 au 
 Jupiter MOID = 2.10194 au 
 T_jup = 3.304 
[ 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 13.01   n/a E2021B10  

8197 Mizunohiroshi           Discovered 1993 Nov. 15 by T. Kobayashi at Oizumi.
Hiroshi Mizuno (b. 1951), Okayama Seishin University, is a theoretician on the origin of our solar system. He developed a theory about the formation of thick atmospheres of giant planets, such as Jupiter, with intensive studies on the sudden accretion of gas onto the solid core. This mechanism is called the Mizuno process.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020921/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1993 VX = 1979 YN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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