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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221285632444524 3.4287e-08  
a 2.229818337338612 5.4832e-09 au
q 1.73639157632424 7.6117e-08 au
i 3.183507587791249 4.0133e-06 deg
node 348.5155639338842 5.9982e-05 deg
peri 331.0874843701777 6.0738e-05 deg
M 163.7695560750274 9.8043e-06 deg
tp 2458647.234841255970
(2019-Jun-12.73484126)		 3.3059e-05 TDB
period 1216.193423987808
3.33		 4.486e-06
1.228e-08		 d
yr
n .2960055472258573 1.0918e-09 deg/d
Q 2.723245098352984 6.6965e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2249  
   data-arc span      26051 days (71.32 yr)  
   first obs. used      1949-09-25  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:37:07  

Additional Information
 Earth MOID = .722401 au 
 Jupiter MOID = 2.591 au 
 T_jup = 3.608 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456794.5 (2014-May-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2209500315030164 3.4223e-08  
q 1.737595837408296 7.5962e-08 au
tp 2456215.312688392603
(2012-Oct-14.81268839)		 3.449e-05 TDB
node 348.581650689624 5.9977e-05 deg
peri 331.0422206349566 6.0738e-05 deg
i 3.183747996834894 4.0125e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2249  
   data-arc span      26051 days (71.32 yr)  
   first obs. used      1949-09-25  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47403  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:37:07  

Additional Information
 Jupiter MOID = 2.591 au 
 T_jup = 3.608 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.171205894343885E-15 -2.595494662194773E-15 5.466405598822963E-13 5.86576648541388E-15 1.314842223234413E-13 -5.370682509278449E-16
q -2.595494662194773E-15 5.770210607050033E-15 -1.260713468858648E-12 -1.399358178654625E-14 -3.021626577314317E-13 1.208715950900514E-15
tp 5.466405598822963E-13 -1.260713468858648E-12 1.189559195732634E-9 1.856543190502081E-12 3.386493993376921E-10 -1.138088317047409E-12
node 5.86576648541388E-15 -1.399358178654625E-14 1.856543190502081E-12 3.597216613548776E-9 -3.590715302940212E-9 6.947004017807633E-11
peri 1.314842223234413E-13 -3.021626577314317E-13 3.386493993376921E-10 -3.590715302940212E-9 3.689111925250931E-9 -6.971482180139249E-11
i -5.370682509278449E-16 1.208715950900514E-15 -1.138088317047409E-12 6.947004017807633E-11 -6.971482180139249E-11 1.609980281715863E-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 14.16   n/a E2021B10  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)		 Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2184-Sep-10 18:20 00:02 Amphi 0.0237360067432384 0.0237292286736521 0.0237427896560695 3.99342798344743 3.993427922799 2519003.263829147 2.09083838390235 635.041613106489 37.4099832373878 -58.0103240053061 80514.2641343983 T 35 CATAB v2.0f-lin.ifort 2021-Feb-24 01:37:12 2021-Feb-24 01:37

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