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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999036018253822 3.7777e-08  
a 2.757558392962473 1.2568e-08 au
q 2.481829136025774 1.0236e-07 au
i 3.764203813450388 4.7219e-06 deg
node 30.36569421069456 5.5858e-05 deg
peri 28.08258953191829 5.9947e-05 deg
M 240.3269217698707 2.3328e-05 deg
tp 2459556.505982708394
(2021-Dec-08.00598271)
0.00010987 TDB
period 1672.5746235934
4.58
1.1434e-05
3.13e-08
d
yr
n .2152370333268404 1.4714e-09 deg/d
Q 3.033287649899172 1.3824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1952  
   data-arc span      23477 days (64.28 yr)  
   first obs. used      1955-04-16  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:57:19  

Additional Information
 Earth MOID = 1.49464 au 
 Jupiter MOID = 2.26113 au 
 T_jup = 3.332 
[ show covariance matrix ]

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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