+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134590 (1999 TO96) Classification: Main-belt Asteroid          SPK-ID: 2134590 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1352508232518335 4.0687e-08   a 2.32875650148141 9.3662e-09 au q 2.01379026750299 9.5493e-08 au i 7.650253953777417 4.2749e-06 deg node 51.45147809596675 3.4024e-05 deg peri 328.1678942288958 3.7635e-05 deg M 343.0741078080319 1.611e-05 deg tp 2459261.528629466607 (2021-Feb-16.02862947) 5.818e-05 TDB period 1298.029454447566 3.55 7.8309e-06 2.144e-08 d yr n .2773434753475714 1.6732e-09 deg/d Q 2.643722735459831 1.0633e-08 au   Orbit Determination Parameters    # obs. used (total)      653      data-arc span      7665 days (20.99 yr)      first obs. used      1999-09-21      last obs. used      2020-09-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53355      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:09:02   Additional Information  Earth MOID = 1.0202 au   Jupiter MOID = 2.81346 au   T_jup = 3.548  [ 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 16.16   n/a E2021B55   134590 (1999 TO96)          Discovered 1999-Oct-02 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-16 12:37 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin