+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101837 (1999 JQ60) Classification: Main-belt Asteroid          SPK-ID: 2101837 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2552419521487732 3.1928e-08   a 2.541980106085843 9.887e-09 au q 1.893160141485147 8.098e-08 au i 5.520038480691574 5.0299e-06 deg node 82.54512632847972 6.8461e-05 deg peri 201.1728014176223 7.0942e-05 deg M 41.28513658736753 1.973e-05 deg tp 2458830.735111356941 (2019-Dec-13.23511136) 8.0711e-05 TDB period 1480.323548940406 4.05 8.6366e-06 2.365e-08 d yr n .2431900784512162 1.4188e-09 deg/d Q 3.19080007068654 1.2411e-08 au   Orbit Determination Parameters    # obs. used (total)      698      data-arc span      9800 days (26.83 yr)      first obs. used      1994-01-17      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57602      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:41   Additional Information  Earth MOID = .877961 au   Jupiter MOID = 1.97852 au   T_jup = 3.392  [ hide covariance matrix ] Orbital Elements at Epoch 2457451.5 (2016-Mar-04.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2545743799529607 3.1848e-08   q 1.895499205545219 8.0602e-08 au tp 2457350.504267320844 (2015-Nov-24.00426732) 7.8187e-05 TDB node 82.55314793970894 6.8462e-05 deg peri 201.3131276881074 7.0965e-05 deg i 5.519271690789074 5.0315e-06 deg   Orbit Determination Parameters    # obs. used (total)      698      data-arc span      9800 days (26.83 yr)      first obs. used      1994-01-17      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57602      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:29:41   Additional Information  Jupiter MOID = 1.97852 au   T_jup = 3.392  Orbit Covariance (6×6)   e q tp node peri i e 1.014276214518252E-15 -2.556540583499403E-15 -1.410479654670118E-12 -6.321332485475845E-15 -3.231090963987875E-13 -1.118136719107062E-15 q -2.556540583499403E-15 6.496644051550426E-15 3.752415860833863E-12 6.418417390853577E-15 8.725950886017326E-13 3.69366771873426E-15 tp -1.410479654670118E-12 3.752415860833863E-12 6.1132033614464E-9 -1.129604618469556E-11 1.527162812818059E-9 8.523451016954115E-12 node -6.321332485475845E-15 6.418417390853577E-15 -1.129604618469556E-11 4.687067433498389E-9 -4.669746795757094E-9 -2.592198703209987E-10 peri -3.231090963987875E-13 8.725950886017326E-13 1.527162812818059E-9 -4.669746795757094E-9 5.036063972363728E-9 2.602579803846409E-10 i -1.118136719107062E-15 3.69366771873426E-15 8.523451016954115E-12 -2.592198703209987E-10 2.602579803846409E-10 2.531597447435037E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.9   n/a MPO432544   101837 (1999 JQ60)          Discovered 1999-May-10 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 16:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin