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7408 Yoshihide (1989 SB)
Classification: Main-belt Asteroid          SPK-ID: 2007408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances. For accurate long-term ephemerides, please instead use our Horizons system.

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Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221280400112333 3.4312e-08  
a 2.229629356067878 5.5191e-09 au
q 1.736256080054975 7.6188e-08 au
i 3.183350745299934 4.0848e-06 deg
node 348.5207182700275 6.1202e-05 deg
peri 331.0488463856624 6.1998e-05 deg
M 104.6125365434624 9.9721e-06 deg
tp 2458647.130819443696
(2019-Jun-12.63081944)
3.3691e-05 TDB
period 1216.03881526587
3.33
4.5152e-06
1.236e-08
d
yr
n .2960431817476903 1.0992e-09 deg/d
Q 2.723002632080782 6.7404e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2159  
   data-arc span      25957 days (71.07 yr)  
   first obs. used      1949-09-25  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:28:22  

Additional Information
 Earth MOID = .724233 au 
 Jupiter MOID = 2.59124 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456729.5 (2014-Mar-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207339798940536 3.4239e-08  
q 1.73833191822651 7.6023e-08 au
tp 2456215.054600479964
(2012-Oct-14.55460048)
3.5428e-05 TDB
node 348.5946738064401 6.1213e-05 deg
peri 331.0069757553389 6.2017e-05 deg
i 3.182923408688838 4.0831e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2159  
   data-arc span      25957 days (71.07 yr)  
   first obs. used      1949-09-25  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:28:22  

Additional Information
 Jupiter MOID = 2.59124 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.172300275631325E-15 -2.598708699884164E-15 5.593190239808843E-13 5.061340453801177E-15 1.365468358497838E-13 -5.996313921982937E-16
q -2.598708699884164E-15 5.779516377926736E-15 -1.293362717863703E-12 -1.237344223689745E-14 -3.146827254542918E-13 1.331117630567537E-15
tp 5.593190239808843E-13 -1.293362717863703E-12 1.255127730800759E-9 1.178501040882214E-12 3.609772921487682E-10 -1.263825983157063E-12
node 5.061340453801177E-15 -1.237344223689745E-14 1.178501040882214E-12 3.74702873473501E-9 -3.740534538527936E-9 7.868464547913895E-11
peri 1.365468358497838E-13 -3.146827254542918E-13 3.609772921487682E-10 -3.740534538527936E-9 3.846101464564933E-9 -7.895950868760385E-11
i -5.996313921982937E-16 1.331117630567537E-15 -1.263825983157063E-12 7.868464547913895E-11 -7.895950868760385E-11 1.667134928430332E-11

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 14.1   n/a MPO384822  

7408 Yoshihide           Discovered 1989 Sept. 23 by Y. Mizuno and T. Furuta at Kani.
Yoshihide Hayashi (b. 1959), an amateur astronomer, works as a curator at a science museum. He contributes himself as a volunteer to the educational organization Fukorounokai and serves to popularize astronomy among the citizens.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090209/MPCPages.arcLast Updated: 2009-02-11

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Alternate Designations
 1989 SB = 1949 SM1 = 1979 SZ5 = 1979 UW2 
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