+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   243753 (2000 QS157) Classification: Main-belt Asteroid          SPK-ID: 2243753 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2470729929032325 5.6946e-08   a 3.095650331299366 3.0554e-08 au q 2.330798738963348 1.6668e-07 au i 16.21907795382461 5.2547e-06 deg node 180.8404381070184 2.016e-05 deg peri 209.700826894862 2.2241e-05 deg M 190.6542284022446 1.147e-05 deg tp 2459936.332518287974 (2022-Dec-22.83251829) 7.2426e-05 TDB period 1989.419064940716 5.45 2.9453e-05 8.064e-08 d yr n .1809573489790236 2.6791e-09 deg/d Q 3.860501923635384 3.8103e-08 au   Orbit Determination Parameters    # obs. used (total)      412      data-arc span      7208 days (19.73 yr)      first obs. used      2000-08-31      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53238      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 00:54:32   Additional Information  Earth MOID = 1.34794 au   Jupiter MOID = 1.65263 au   T_jup = 3.116  [ 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 15.26   n/a E2021B55   243753 (2000 QS157)          Discovered 2000-Aug-31 by LINEAR at Socorro Reference: 20100726/Numbers.arc Last Updated: 2010-07-28 [ 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 1910-Aug-06 22:35 00:05 Jupiter 1.64353037693322 1.64352961050613 1.64353114344131 3.70805606251906 3.56636289619157 2418890.440811334 4.69604345378298 781.423248633228 25.270358890352 -87.6136565358146 2709937.40204966 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 00:54:33 2020-Nov-12 00:54 1981-Sep-16 09:39 00:02 Jupiter 1.64914905865723 1.64914847278405 1.64914964453425 3.70406492089586 3.56270588426221 2444863.902226475 1.54248230683451 258.115218600398 25.4019096927645 -86.6548227522695 2721834.18617404 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 00:54:33 2020-Nov-12 00:54 2052-Oct-26 15:01 00:02 Jupiter 1.65799329531423 1.65799262374004 1.65799396689757 3.70251509284138 3.56186381177436 2470837.125600609 1.63249332864327 296.425976740394 24.3992782482956 86.1655878623365 2653743.89519963 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 00:54:33 2020-Nov-12 00:54 2123-Dec-06 21:57 00:05 Jupiter 1.67402533560836 1.67402414652307 1.6740265248165 3.70554826033338 3.56638877486993 2496809.414669949 4.81020971143788 800.53225857062 23.8889002594116 86.6479676272172 2698147.58678056 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 00:54:33 2020-Nov-12 00:54 2195-Jan-14 08:52 00:08 Jupiter 1.6918941511131 1.69189195585216 1.69189634673797 3.70987013353048 3.57237527734133 2522780.869604056 8.0749107746793 1297.4100104686 23.7436387909884 85.8374786391762 2727356.64004012 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 00:54:33 2020-Nov-12 00:54 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-24 18:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin