+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101390 (1998 UV33) Classification: Main-belt Asteroid          SPK-ID: 2101390 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1392913273694212 4.6951e-08   a 2.355121361312585 1.1219e-08 au q 2.027073380779277 1.1074e-07 au i 5.496944395608951 4.4739e-06 deg node 248.1624454647784 5.2569e-05 deg peri 111.9569311327074 5.4749e-05 deg M 7.79443204728793 1.5784e-05 deg tp 2458971.917491674901 (2020-May-02.41749167) 5.781e-05 TDB period 1320.135057257426 3.61 9.4327e-06 2.583e-08 d yr n .2726993711900191 1.9485e-09 deg/d Q 2.683169341845893 1.2781e-08 au   Orbit Determination Parameters    # obs. used (total)      680      data-arc span      8095 days (22.16 yr)      first obs. used      1998-09-17      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53462      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:11   Additional Information  Earth MOID = 1.03184 au   Jupiter MOID = 2.79154 au   T_jup = 3.536  [ hide covariance matrix ] Orbital Elements at Epoch 2457140.5 (2015-Apr-28.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1405235306948392 4.7013e-08   q 2.023931618349028 1.1101e-07 au tp 2457652.231095887668 (2016-Sep-20.73109589) 5.468e-05 TDB node 248.1849473386024 5.2574e-05 deg peri 112.165428423815 5.4708e-05 deg i 5.496920752174972 4.4757e-06 deg   Orbit Determination Parameters    # obs. used (total)      680      data-arc span      8095 days (22.16 yr)      first obs. used      1998-09-17      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53462      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:11   Additional Information  Jupiter MOID = 2.79154 au   T_jup = 3.536  Orbit Covariance (6×6)   e q tp node peri i e 2.210195776560806E-15 -5.19906746333538E-15 1.831046179822566E-13 -1.331296020931221E-14 8.161701856469691E-14 -1.095856753368482E-15 q -5.19906746333538E-15 1.232246074102652E-14 -3.365461357632533E-13 2.901944252739277E-14 -1.761864019111441E-13 2.815959365788985E-15 tp 1.831046179822566E-13 -3.365461357632533E-13 2.989920679679351E-9 -1.897906589697924E-11 8.519255822442688E-10 5.474670619167452E-13 node -1.331296020931221E-14 2.901944252739277E-14 -1.897906589697924E-11 2.763982006037199E-9 -2.755738173169523E-9 -4.779488609094546E-11 peri 8.161701856469691E-14 -1.761864019111441E-13 8.519255822442688E-10 -2.755738173169523E-9 2.99300111472725E-9 4.767931179458246E-11 i -1.095856753368482E-15 2.815959365788985E-15 5.474670619167452E-13 -4.779488609094546E-11 4.767931179458246E-11 2.00318878894996E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.7   n/a MPO436474   diameter diameter 1.952 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.292   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101390 (1998 UV33)          Discovered 1998-Oct-28 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 16:48 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin