+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .13388126428085 4.7977e-08   a 2.650581892958773 1.6902e-08 au q 2.295718638049524 1.298e-07 au i 23.79586932993262 5.7507e-06 deg node 229.0906888397723 1.2882e-05 deg peri 224.2374842477943 2.5753e-05 deg M 12.62980045568296 2.3388e-05 deg tp 2459145.202658136354 (2020-Oct-22.70265814) 0.0001022 TDB period 1576.196167213001 4.32 1.5076e-05 4.128e-08 d yr n .2283979668828563 2.1846e-09 deg/d Q 3.005445147868022 1.9165e-08 au   Orbit Determination Parameters    # obs. used (total)      683      data-arc span      8160 days (22.34 yr)      first obs. used      1998-11-11      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .5049      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:36:59   Additional Information  Earth MOID = 1.3495 au   Jupiter MOID = 2.43088 au   T_jup = 3.257  [ 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 15.2   n/a MPO532319   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 ] 2021-Apr-20 05:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin