+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134415 (1998 HZ33) Classification: Main-belt Asteroid          SPK-ID: 2134415 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2125405691609044 4.75e-08   a 2.411620412413515 1.3558e-08 au q 1.899053237359091 1.1706e-07 au i 11.16276542716282 5.9393e-06 deg node 206.7085960885717 2.3453e-05 deg peri 44.42453692298007 2.6119e-05 deg M 344.7294021322178 1.2892e-05 deg tp 2459258.525032655258 (2021-Feb-13.02503266) 4.9232e-05 TDB period 1367.923635784047 3.75 1.1535e-05 3.158e-08 d yr n .2631725855030354 2.2193e-09 deg/d Q 2.924187587467938 1.6439e-08 au   Orbit Determination Parameters    # obs. used (total)      418      data-arc span      8064 days (22.08 yr)      first obs. used      1998-03-25      last obs. used      2020-04-22      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57941      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:08:17   Additional Information  Earth MOID = .90196 au   Jupiter MOID = 2.13635 au   T_jup = 3.463  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.32   n/a E2021B55   diameter diameter 3.388 km 0.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134415 (1998 HZ33)          Discovered 1998-Apr-20 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 Alternate Designations  1998 HZ33 = 2002 LH46  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 00:49 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin