+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   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 29 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09999034315510864 3.2673e-08   a 2.757558388634897 1.1541e-08 au q 2.481829179085045 9.0501e-08 au i 3.764199364733286 4.0305e-06 deg node 30.36570297282514 5.5543e-05 deg peri 28.08258520572555 5.9511e-05 deg M 240.3269196240418 2.325e-05 deg tp 2459556.505991369150 (2021-Dec-08.00599137) 0.00010962 TDB period 1672.574619656116 4.58 1.05e-05 2.875e-08 d yr n .2152370338335139 1.3513e-09 deg/d Q 3.033287598184749 1.2695e-08 au   Orbit Determination Parameters    # obs. used (total)      2139      data-arc span      23854 days (65.31 yr)      first obs. used      1955-04-16      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48206      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 23:37:30   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.DB Last 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 ] 2020-Sep-21 17:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin