+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101119 (1998 RK53) Classification: Main-belt Asteroid          SPK-ID: 2101119 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1340472660495883 6.0644e-08   a 2.28296336464397 9.3368e-09 au q 1.976938367122076 1.3595e-07 au i 9.95165390752824 5.5006e-06 deg node 347.2715856488443 2.6326e-05 deg peri 43.24346595047368 3.3999e-05 deg M 79.62090259933458 1.8609e-05 deg tp 2458721.842051112731 (2019-Aug-26.34205111) 6.483e-05 TDB period 1259.931228162881 3.45 7.7293e-06 2.116e-08 d yr n .2857298810863828 1.7529e-09 deg/d Q 2.588988362165864 1.0588e-08 au   Orbit Determination Parameters    # obs. used (total)      638      data-arc span      9801 days (26.83 yr)      first obs. used      1993-03-25      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5658      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:15:59   Additional Information  Earth MOID = .9924 au   Jupiter MOID = 2.89713 au   T_jup = 3.572  [ hide covariance matrix ] Orbital Elements at Epoch 2456939.5 (2014-Oct-09.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1343720926061387 6.0974e-08   q 1.97578691468358 1.3682e-07 au tp 2457460.053860244721 (2016-Mar-12.55386024) 6.3576e-05 TDB node 347.3578191704207 2.6287e-05 deg peri 42.71976051018049 3.3904e-05 deg i 9.960532255359912 5.5048e-06 deg   Orbit Determination Parameters    # obs. used (total)      638      data-arc span      9801 days (26.83 yr)      first obs. used      1993-03-25      last obs. used      2020-01-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5658      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 01:15:59   Additional Information  Jupiter MOID = 2.89713 au   T_jup = 3.572  Orbit Covariance (6×6)   e q tp node peri i e 3.717886812824945E-15 -8.329651422329016E-15 -1.043493381393911E-12 3.166493202651795E-14 -5.358682923555707E-13 -1.693785085290694E-14 q -8.329651422329016E-15 1.871988321734995E-14 2.416665088763363E-12 -7.131229508871681E-14 1.21629399753086E-12 3.799448036206356E-14 tp -1.043493381393911E-12 2.416665088763363E-12 4.041866271841659E-9 -2.834920772946875E-11 1.358657849811327E-9 -5.541258291257992E-12 node 3.166493202651795E-14 -7.131229508871681E-14 -2.834920772946875E-11 6.910029875091338E-10 -6.905214405896995E-10 3.540564771065372E-11 peri -5.358682923555707E-13 1.21629399753086E-12 1.358657849811327E-9 -6.905214405896995E-10 1.149456535701792E-9 -3.581906639963008E-11 i -1.693785085290694E-14 3.799448036206356E-14 -5.541258291257992E-12 3.540564771065372E-11 -3.581906639963008E-11 3.030290437039138E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.3   n/a MPO502724   101119 (1998 RK53)          Discovered 1998-Sep-14 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1998 RK53 = 2000 EH163  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-26 09:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin