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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer 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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212803996350619 3.4301e-08  
a 2.229629356200185 5.5122e-09 au
q 1.736256081222143 7.6159e-08 au
i 3.183350859264692 4.0723e-06 deg
node 348.5207197469502 6.1054e-05 deg
peri 331.0488444376408 6.1845e-05 deg
M 104.6125368938367 9.9464e-06 deg
tp 2458647.130818228718
(2019-Jun-12.63081823)
3.3599e-05 TDB
period 1216.03881537411
3.33
4.5095e-06
1.235e-08
d
yr
n .2960431817213394 1.0978e-09 deg/d
Q 2.723002631178228 6.7319e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2173  
   data-arc span      25985 days (71.14 yr)  
   first obs. used      1949-09-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:30:59  

Additional Information
 Earth MOID = .724233 au 
 Jupiter MOID = 2.59124 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456743.5 (2014-Mar-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207790615962406 3.4234e-08  
q 1.738183976841895 7.6009e-08 au
tp 2456215.105927086381
(2012-Oct-14.60592709)
3.5291e-05 TDB
node 348.5912233612548 6.1059e-05 deg
peri 331.0149560533286 6.1857e-05 deg
i 3.183108662530162 4.0708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2173  
   data-arc span      25985 days (71.14 yr)  
   first obs. used      1949-09-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47926  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:30:59  

Additional Information
 Jupiter MOID = 2.59124 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.1719608820946E-15 -2.597874659228111E-15 5.568542554014723E-13 5.14090179777486E-15 1.356405387014906E-13 -5.91220798338639E-16
q -2.597874659228111E-15 5.777439289143977E-15 -1.287444857381995E-12 -1.253286131669103E-14 -3.12553822723704E-13 1.31613648775761E-15
tp 5.568542554014723E-13 -1.287444857381995E-12 1.245451869436514E-9 1.263875786642681E-12 3.577246090346356E-10 -1.245414871512779E-12
node 5.14090179777486E-15 -1.253286131669103E-14 1.263875786642681E-12 3.728227710157329E-9 -3.721726998222352E-9 7.731774466996786E-11
peri 1.356405387014906E-13 -3.12553822723704E-13 3.577246090346356E-10 -3.721726998222352E-9 3.826247313141269E-9 -7.758776069979349E-11
i -5.91220798338639E-16 1.31613648775761E-15 -1.245414871512779E-12 7.731774466996786E-11 -7.758776069979349E-11 1.657109597775282E-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 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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