+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101310 (1998 SJ136) Classification: Main-belt Asteroid          SPK-ID: 2101310 [ 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 .1958879162841646 4.4487e-08   a 2.380232816746523 8.6228e-09 au q 1.913973970002859 1.0444e-07 au i 3.423687354507583 3.0194e-06 deg node 94.16242555187627 8.4778e-05 deg peri 247.90005746 8.5262e-05 deg M 38.99371580307644 9.2621e-06 deg tp 2459055.215358488223 (2020-Jul-24.71535849) 3.4541e-05 TDB period 1341.305127430642 3.67 7.2887e-06 1.996e-08 d yr n .2683953059134304 1.4585e-09 deg/d Q 2.846491663490187 1.0312e-08 au   Orbit Determination Parameters    # obs. used (total)      594      data-arc span      8146 days (22.30 yr)      first obs. used      1998-09-24      last obs. used      2021-01-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53134      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:36:12   Additional Information  Earth MOID = .9071 au   Jupiter MOID = 2.55563 au   T_jup = 3.510  [ 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 16.7   n/a MPO432540   101310 (1998 SJ136)          Discovered 1998-Sep-26 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-Apr-18 07:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin