+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102383 (1999 TH152) Classification: Main-belt Asteroid          SPK-ID: 2102383 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2269672080258015 3.6933e-08   a 2.638389360457887 1.2143e-08 au q 2.039561493629781 1.0258e-07 au i 2.165131184786045 3.7785e-06 deg node 202.3028647151963 9.6263e-05 deg peri 193.2348388802994 9.6658e-05 deg M 333.596959990032 9.7141e-06 deg tp 2459315.304309383904 (2021-Apr-10.80430938) 4.2693e-05 TDB period 1565.333058716045 4.29 1.0806e-05 2.959e-08 d yr n .2299830045723865 1.5877e-09 deg/d Q 3.237217227285994 1.4899e-08 au   Orbit Determination Parameters    # obs. used (total)      663      data-arc span      7714 days (21.12 yr)      first obs. used      1999-10-07      last obs. used      2020-11-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47611      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:31:17   Additional Information  Earth MOID = 1.0454 au   Jupiter MOID = 2.19577 au   T_jup = 3.358  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.97   n/a E2021B55   102383 (1999 TH152)          Discovered 1999-Oct-07 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-Mar-03 18:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin