+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27735 (1990 SZ5) Classification: Main-belt Asteroid          SPK-ID: 2027735 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06829734408761259 3.2193e-08   a 3.140279884256989 1.7582e-08 au q 2.925807108470482 1.0623e-07 au i 14.54904493762658 4.1843e-06 deg node 166.7114248355647 1.3511e-05 deg peri 90.28537125978791 3.5432e-05 deg M 257.2930853420091 3.4379e-05 deg tp 2459780.393372171335 (2022-Jul-19.89337217) 0.00019575 TDB period 2032.595513913031 5.56 1.707e-05 4.674e-08 d yr n .1771134480696307 1.4875e-09 deg/d Q 3.354752660043498 1.8783e-08 au   Orbit Determination Parameters    # obs. used (total)      1850      data-arc span      11139 days (30.50 yr)      first obs. used      1990-09-15      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47355      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 05:43:37   Additional Information  Earth MOID = 1.95821 au   Jupiter MOID = 1.76722 au   T_jup = 3.157  [ 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 13.28   n/a E2020-QM5   diameter diameter 10.426 km 0.264 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.103   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   27735 (1990 SZ5)          Discovered 1990-Sep-22 by Elst, E. W. at La Silla Reference: 20010902/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1990 SZ5 = 1999 CH150  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-20 14:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin