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6216 San Jose (1975 SJ)
Classification: Main-belt Asteroid          SPK-ID: 2006216
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999034161394854 3.084e-08  
a 2.757558388279507 1.1196e-08 au
q 2.48182918301503 8.6305e-08 au
i 3.764198688470882 3.6874e-06 deg
node 30.36570338323327 5.5522e-05 deg
peri 28.08258518137371 5.9448e-05 deg
M 240.3269194326218 2.323e-05 deg
tp 2459556.505992151010
(2021-Dec-08.00599215)		 0.00010956 TDB
period 1672.574619332778
4.58		 1.0186e-05
2.789e-08		 d
yr
n .215237033875123 1.3108e-09 deg/d
Q 3.033287593543984 1.2316e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2239  
   data-arc span      23930 days (65.52 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:37:29  

Additional Information
 Earth MOID = 1.49464 au 
 Jupiter MOID = 2.26113 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456945.5 (2014-Oct-15.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1029537018187229 3.104e-08  
q 2.46952238547246 8.7141e-08 au
tp 2456216.044506891895
(2012-Oct-15.54450689)		 9.7622e-05 TDB
node 30.50333946561667 5.5364e-05 deg
peri 27.84453105523286 5.9056e-05 deg
i 3.772244754280314 3.694e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2239  
   data-arc span      23930 days (65.52 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:37:29  

Additional Information
 Jupiter MOID = 2.26113 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.634505915575493E-16 -2.68768482673233E-15 -3.239284825157844E-13 -1.180586155582145E-15 -6.462719213546485E-14 6.014649930592494E-17
q -2.68768482673233E-15 7.593585230582525E-15 1.208358093317144E-12 3.352239370000356E-15 2.52040915026271E-13 2.655844733073787E-17
tp -3.239284825157844E-13 1.208358093317144E-12 9.530003174210991E-9 6.848418032327584E-12 2.020697555281549E-9 1.495537928672389E-12
node -1.180586155582145E-15 3.352239370000356E-15 6.848418032327584E-12 3.065175369438232E-9 -3.056898816646695E-9 -1.895403303511393E-11
peri -6.462719213546485E-14 2.52040915026271E-13 2.020697555281549E-9 -3.056898816646695E-9 3.487577261250055E-9 1.925594094392352E-11
i 6.014649930592494E-17 2.655844733073787E-17 1.495537928672389E-12 -1.895403303511393E-11 1.925594094392352E-11 1.364527018263316E-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 13.0   n/a MPO395058  
diameter diameter 8.033 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6216 San Jose (1975 SJ)          Discovered 1975-Sep-30 by Bus, S. J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1975 SJ = 1975 VH2 = 1984 SV4 = 1989 VG 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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