+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46834 (1998 QL11) Classification: Main-belt Asteroid          SPK-ID: 2046834 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .152588684590909 3.8742e-08   a 2.43170452672416 8.1981e-09 au q 2.060653931677561 9.6962e-08 au i .3050659245345499 4.2459e-06 deg node 163.7352782017521 0.00060047 deg peri 162.1513518397325 0.00060057 deg M 263.7872495431557 1.1586e-05 deg tp 2459370.664495686366 (2021-Jun-05.16449569) 4.5042e-05 TDB period 1385.047385240946 3.79 7.0042e-06 1.918e-08 d yr n .2599189051841527 1.3144e-09 deg/d Q 2.802755121770758 9.449e-09 au   Orbit Determination Parameters    # obs. used (total)      1204      data-arc span      8477 days (23.21 yr)      first obs. used      1997-03-14      last obs. used      2020-05-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56446      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 21:42:05   Additional Information  Earth MOID = 1.04881 au   Jupiter MOID = 2.51212 au   T_jup = 3.491  [ show covariance matrix ] [ 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 15.3   n/a MPO275800   46834 (1998 QL11)          Discovered 1998-Aug-17 by LINEAR at Socorro Reference: 20020921/Numbers.arc Last Updated: 2004-04-19 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1939-Jul-23 09:12 00:04 Europ 0.0430597303364631 0.0430523741396988 0.0430670865366241 3.20807266824353 3.20807259130282 2429467.883583224 4.37438403280506 366.990729463773 24.91319377751 -3.05270303279354 22263.0645532356 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 21:42:15 2020-Jun-23 21:42 2107-Feb-19 18:44 < 00:01 Juno 0.046535594799513 0.0465234218694048 0.0465477683816437 7.05420995281282 7.05420991575223 2490675.280769305 0.354360081227256 666.324621817922 37.6721396284653 24.4318877847577 76995.7975152243 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 21:42:15 2020-Jun-23 21:42 2194-May-20 14:29 < 00:01 Juno 0.0434481079025462 0.0434429041866017 0.0434533253779374 6.73900662101486 6.73900657946407 2522542.103764432 0.240480240834574 1258.56172044149 37.1454160095761 -78.2101520424899 171231.054472023 T 24 CATAB v2.0f-lin.ifort 2020-Jun-23 21:42:15 2020-Jun-23 21:42 Alternate Designations  1998 QL11 = 2000 AP231  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-12 09:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin