+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100428 (1996 HT11) Classification: Main-belt Asteroid          SPK-ID: 2100428 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1415224314802454 4.298e-08   a 3.052643186376622 1.799e-08 au q 2.620625700198999 1.3457e-07 au i 1.321701931334611 4.7858e-06 deg node 42.39006507892258 0.00015876 deg peri 114.5054943739377 0.00015959 deg M 266.9844555662879 1.6931e-05 deg tp 2459703.844728321971 (2022-May-04.34472832) 9.396e-05 TDB period 1948.105591372904 5.33 1.7221e-05 4.715e-08 d yr n .1847949113201273 1.6336e-09 deg/d Q 3.484660672554246 2.0536e-08 au   Orbit Determination Parameters    # obs. used (total)      789      data-arc span      9034 days (24.73 yr)      first obs. used      1996-04-17      last obs. used      2021-01-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52808      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:32:07   Additional Information  Earth MOID = 1.63025 au   Jupiter MOID = 1.50073 au   T_jup = 3.221  [ hide covariance matrix ] Orbital Elements at Epoch 2457429.5 (2016-Feb-11.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1400177768181763 4.3722e-08   q 2.625710587017535 1.3689e-07 au tp 2457760.224157701688 (2017-Jan-06.72415770) 8.6044e-05 TDB node 42.41035368674181 0.00015844 deg peri 115.4236933080132 0.00015926 deg i 1.324207520330186 4.7866e-06 deg   Orbit Determination Parameters    # obs. used (total)      789      data-arc span      9034 days (24.73 yr)      first obs. used      1996-04-17      last obs. used      2021-01-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .52808      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:32:07   Additional Information  Jupiter MOID = 1.50073 au   T_jup = 3.221  Orbit Covariance (6×6)   e q tp node peri i e 1.911620509115195E-15 -5.947644504134128E-15 9.770595259345657E-13 -3.441968721631111E-15 2.647668416896261E-13 -2.744082921526207E-16 q -5.947644504134128E-15 1.873789050524638E-14 -2.488790451758162E-12 7.429072836634351E-15 -7.307871179591762E-13 1.042900094621265E-15 tp 9.770595259345657E-13 -2.488790451758162E-12 7.403486593721868E-9 -8.270564795483948E-12 1.396064972605189E-9 1.636590412919403E-13 node -3.441968721631111E-15 7.429072836634351E-15 -8.270564795483948E-12 2.510242881574974E-8 -2.509698407469562E-8 -1.915486387764463E-10 peri 2.647668416896261E-13 -7.307871179591762E-13 1.396064972605189E-9 -2.509698407469562E-8 2.536396688874043E-8 1.915175503876658E-10 i -2.744082921526207E-16 1.042900094621265E-15 1.636590412919403E-13 -1.915486387764463E-10 1.915175503876658E-10 2.291189384214222E-11 [ 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 14.9   n/a MPO493564   100428 (1996 HT11)          Discovered 1996-Apr-17 by Elst, E. W. at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1996 HT11 = 2001 FP39  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 06:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin