+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   70511 (1999 TL103) Classification: Main-belt Asteroid          SPK-ID: 2070511 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .192930732867889 4.3669e-08   a 2.402118998551634 8.569e-09 au q 1.938676419725187 1.0399e-07 au i 4.405660941036432 5.3713e-06 deg node 244.6233480561299 4.896e-05 deg peri 200.2516714124908 5.052e-05 deg M 147.7968171821106 1.1396e-05 deg tp 2458442.219080836402 (2018-Nov-19.71908084) 4.219e-05 TDB period 1359.847490161122 3.72 7.2764e-06 1.992e-08 d yr n .2647355696904991 1.4166e-09 deg/d Q 2.86556157737808 1.0222e-08 au   Orbit Determination Parameters    # obs. used (total)      1127      data-arc span      7587 days (20.77 yr)      first obs. used      1999-09-05      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50156      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 23:36:13   Additional Information  Earth MOID = .95547 au   Jupiter MOID = 2.36618 au   T_jup = 3.496  [ 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 15.3   n/a MPO417315   70511 (1999 TL103)          Discovered 1999-Oct-03 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-26 21:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin