+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   91647 (1999 TG96) Classification: Main-belt Asteroid          SPK-ID: 2091647 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05616008499142821 4.2316e-08   a 3.032345035496274 1.8046e-08 au q 2.862048280579468 1.3066e-07 au i 9.727887479066389 4.279e-06 deg node 43.83157345673035 2.324e-05 deg peri 337.3158891492187 4.2402e-05 deg M 322.6275076394486 3.3541e-05 deg tp 2459200.723897914053 (2020-Dec-17.22389791) 0.00017912 TDB period 1928.707418110118 5.28 1.7217e-05 4.714e-08 d yr n .1866535051504873 1.6662e-09 deg/d Q 3.20264179041308 1.9059e-08 au   Orbit Determination Parameters    # obs. used (total)      1458      data-arc span      7740 days (21.19 yr)      first obs. used      1999-09-08      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48268      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:19:36   Additional Information  Earth MOID = 1.86858 au   Jupiter MOID = 2.10112 au   T_jup = 3.218  [ hide covariance matrix ] Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .05963659410001055 4.306e-08   q 2.85125276698801 1.3354e-07 au tp 2457257.263413761933 (2015-Aug-22.76341376) 0.00016923 TDB node 43.92934996227633 2.3165e-05 deg peri 334.8400219697011 4.0048e-05 deg i 9.748032397644147 4.29e-06 deg   Orbit Determination Parameters    # obs. used (total)      1458      data-arc span      7740 days (21.19 yr)      first obs. used      1999-09-08      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48268      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:19:36   Additional Information  Jupiter MOID = 2.10112 au   T_jup = 3.218  Orbit Covariance (6×6)   e q tp node peri i e 1.854138020773862E-15 -5.705364455237659E-15 -9.773111583214491E-13 -6.472231215967586E-15 -1.683485450069227E-13 -2.036183871936199E-15 q -5.705364455237659E-15 1.783360574588337E-14 1.885574012736403E-12 1.952903235863255E-14 3.086753305791185E-13 6.73639366485535E-15 tp -9.773111583214491E-13 1.885574012736403E-12 2.863921920546997E-8 -3.832016020049138E-12 5.550122425539607E-9 3.17090207948047E-12 node -6.472231215967586E-15 1.952903235863255E-14 -3.832016020049138E-12 5.366378191493497E-10 -5.292470890534231E-10 -3.959252038558548E-11 peri -1.683485450069227E-13 3.086753305791185E-13 5.550122425539607E-9 -5.292470890534231E-10 1.603853313130309E-9 3.962075481127006E-11 i -2.036183871936199E-15 6.73639366485535E-15 3.17090207948047E-12 -3.959252038558548E-11 3.962075481127006E-11 1.840384335055739E-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 13.6   n/a MPO432454   91647 (1999 TG96)          Discovered 1999-Oct-02 by LINEAR at Socorro Reference: 20041028/Numbers.arc Last Updated: 2004-10-29 Alternate Designations  1999 TG96 = 2000 AB165  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 10:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin