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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017196039779751 3.8216e-08  
a 2.754205595198788 1.2526e-08 au
q 2.474048892781244 1.0393e-07 au
i 3.770779182428027 4.8385e-06 deg
node 30.49069857823179 6.2173e-05 deg
peri 27.68958717997694 6.6347e-05 deg
M 154.5409817018782 2.3885e-05 deg
tp 2457883.805408395231
(2017-May-10.30540840)		 0.0001094 TDB
period 1669.525132663118
4.57		 1.1389e-05
3.118e-08		 d
yr
n .2156301770826003 1.471e-09 deg/d
Q 3.034362297616332 1.38e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      23401 days (64.07 yr)  
   first obs. used      1955-04-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:15:44  

Additional Information
 Earth MOID = 1.4864 au 
 Jupiter MOID = 2.26452 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456220.5 (2012-Oct-20.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034204254055415 3.8157e-08  
q 2.470458773068039 1.0415e-07 au
tp 2456218.755150919901
(2012-Oct-18.25515092)		 0.00010557 TDB
node 30.56585474267212 6.2078e-05 deg
peri 28.46127158158146 6.6124e-05 deg
i 3.774104239947451 4.8412e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1834  
   data-arc span      23401 days (64.07 yr)  
   first obs. used      1955-04-16  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49129  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:15:44  

Additional Information
 Jupiter MOID = 2.26452 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.455925202743337E-15 -3.950810154068062E-15 -7.327548032590758E-13 1.951437505203603E-15 -1.84335067355253E-13 -4.383406850467194E-16
q -3.950810154068062E-15 1.084633590889469E-14 2.15400429046985E-12 -3.740626873573227E-15 5.335758710112815E-13 1.111012428601678E-15
tp -7.327548032590758E-13 2.15400429046985E-12 1.114526493268523E-8 1.221239516409517E-11 2.420714676307262E-9 -1.569442598308078E-12
node 1.951437505203603E-15 -3.740626873573227E-15 1.221239516409517E-11 3.853683525355864E-9 -3.842411419605948E-9 -5.661075754854681E-11
peri -1.84335067355253E-13 5.335758710112815E-13 2.420714676307262E-9 -3.842411419605948E-9 4.372448714702039E-9 5.616580175329533E-11
i -4.383406850467194E-16 1.111012428601678E-15 -1.569442598308078E-12 -5.661075754854681E-11 5.616580175329533E-11 2.343759117825769E-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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