+ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .192930732240102 4.3651e-08   a 2.402118998179689 8.5214e-09 au q 1.938676420933022 1.0396e-07 au i 4.405661121219495 5.3636e-06 deg node 244.6233411297248 4.7751e-05 deg peri 200.2516796203678 4.924e-05 deg M 147.7968163833104 1.1225e-05 deg tp 2458442.219083983420 (2018-Nov-19.71908398) 4.1472e-05 TDB period 1359.847489845283 3.72 7.2359e-06 1.981e-08 d yr n .2647355697519866 1.4087e-09 deg/d Q 2.865561575426357 1.0165e-08 au   Orbit Determination Parameters    # obs. used (total)      1133      data-arc span      7618 days (20.86 yr)      first obs. used      1999-09-05      last obs. used      2020-07-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50052      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:00:20   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   rotation period rot_per 2.8414 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.] 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 ] 2021-Jan-19 00:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin