+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101482 (1998 WT33) Classification: Main-belt Asteroid          SPK-ID: 2101482 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1337415276451155 6.1411e-08   a 2.650096069946845 2.3451e-08 au q 2.295668173145837 1.7385e-07 au i 23.79810486454685 6.4145e-06 deg node 229.0937540095561 1.3422e-05 deg peri 224.2744108192523 3.3423e-05 deg M 326.9104206646396 3.5744e-05 deg tp 2459145.337026180032 (2020-Oct-22.83702618) 0.0001578 TDB period 1575.762837489192 4.31 2.0916e-05 5.726e-08 d yr n .2284607755908377 3.0325e-09 deg/d Q 3.004523966747853 2.6587e-08 au   Orbit Determination Parameters    # obs. used (total)      572      data-arc span      8024 days (21.97 yr)      first obs. used      1998-11-11      last obs. used      2020-10-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51751      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:00:21   Additional Information  Earth MOID = 1.35001 au   Jupiter MOID = 2.43101 au   T_jup = 3.258  [ 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 15.3   n/a MPO359464   diameter diameter 5.355 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.074   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101482 (1998 WT33)          Discovered 1998-Nov-23 by LONEOS at Anderson Mesa Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1998 WT33 = 2004 BO85  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Nov-28 11:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin