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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2212856303948918 3.4144e-08  
a 2.229818337156429 5.3235e-09 au
q 1.736391580752679 7.5711e-08 au
i 3.183507832696309 3.8462e-06 deg
node 348.5155682495866 5.6083e-05 deg
peri 331.0874767970417 5.6749e-05 deg
M 163.7695586147121 9.3572e-06 deg
tp 2458647.234832743920
(2019-Jun-12.73483274)
3.1394e-05 TDB
period 1216.193423838757
3.33
4.3553e-06
1.192e-08
d
yr
n .2960055472621342 1.06e-09 deg/d
Q 2.723245093560179 6.5015e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      26110 days (71.49 yr)  
   first obs. used      1949-09-25  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:26:35  

Additional Information
 Earth MOID = .722401 au 
 Jupiter MOID = 2.591 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456992.5 (2014-Dec-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221453086378385 3.4127e-08  
q 1.73568318905197 7.5643e-08 au
tp 2457431.907730922243
(2016-Feb-13.40773092)
3.1363e-05 TDB
node 348.5730533380261 5.6046e-05 deg
peri 331.119747199182 5.6713e-05 deg
i 3.185037775950717 3.8476e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2404  
   data-arc span      26110 days (71.49 yr)  
   first obs. used      1949-09-25  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 23:26:35  

Additional Information
 Jupiter MOID = 2.591 au 
 T_jup = 3.608 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.164668001203127E-15 -2.577673170477493E-15 5.360201150581881E-13 6.081761062472551E-15 1.208696389121761E-13 -4.918403954453928E-16
q -2.577673170477493E-15 5.721934290494762E-15 -1.204246147838517E-12 -1.385342741452742E-14 -2.742348185331417E-13 1.127714783782335E-15
tp 5.360201150581881E-13 -1.204246147838517E-12 9.836464065272625E-10 1.333811654495387E-12 2.7871261940234E-10 -9.045253833533531E-13
node 6.081761062472551E-15 -1.385342741452742E-14 1.333811654495387E-12 3.141153142522103E-9 -3.135394571201628E-9 4.732009378810715E-11
peri 1.208696389121761E-13 -2.742348185331417E-13 2.7871261940234E-10 -3.135394571201628E-9 3.216368582226507E-9 -4.75299280608498E-11
i -4.918403954453928E-16 1.127714783782335E-15 -9.045253833533531E-13 4.732009378810715E-11 -4.75299280608498E-11 1.480380851086196E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.18   n/a MPCxxxxx  

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

Alternate Designations
 1989 SB = 1949 SM1 = 1979 SZ5 = 1979 UW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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