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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09999034947677375 3.486e-08  
a 2.757558390211879 1.1976e-08 au
q 2.481829163071983 9.5546e-08 au
i 3.764201677796615 4.3597e-06 deg
node 30.36569984701703 5.5602e-05 deg
peri 28.08258670245743 5.962e-05 deg
M 240.3269204148729 2.3276e-05 deg
tp 2459556.505988171867
(2021-Dec-08.00598817)
0.0001097 TDB
period 1672.574621090874
4.58
1.0896e-05
2.983e-08
d
yr
n .2152370336488805 1.4022e-09 deg/d
Q 3.033287617351774 1.3174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2046  
   data-arc span      23804 days (65.17 yr)  
   first obs. used      1955-04-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49045  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:28:36  

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

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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
2046-Mar-08 02:30 < 00:01 Juno 0.0221481513975237 0.0221440798704282 0.0221522229595656 5.47035303451671 5.47035293410297 2468412.604046545 0.512047610727587 207.722325226159 30.5902301795103 12.4709527492301 28082.6196548436 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 16:28:49 2020-Jun-23 16:28

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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