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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999036039768766 3.7623e-08  
a 2.757558393006704 1.2537e-08 au
q 2.481829135472295 1.0199e-07 au
i 3.764203629160212 4.7035e-06 deg
node 30.3656945155526 5.583e-05 deg
peri 28.08258928546902 5.9913e-05 deg
M 240.3269217084686 2.3322e-05 deg
tp 2459556.505983007048
(2021-Dec-08.00598301)		 0.00010985 TDB
period 1672.574623633641
4.58		 1.1407e-05
3.123e-08		 d
yr
n .2152370333216618 1.4679e-09 deg/d
Q 3.033287650541113 1.3791e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1967  
   data-arc span      23754 days (65.03 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49551  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:31:34  

Additional Information
 Earth MOID = 1.49464 au 
 Jupiter MOID = 2.26113 au 
 T_jup = 3.332 
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[ 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

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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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