+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118732 (2000 QY123) Classification: Main-belt Asteroid          SPK-ID: 2118732 [ 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 .09401906314108914 5.2837e-08   a 3.164544757585321 2.9043e-08 au q 2.867017224209104 1.662e-07 au i 8.502797059955494 6.0246e-06 deg node 217.32385843 3.7032e-05 deg peri 182.3984703454174 4.8455e-05 deg M 140.5697045727507 3.3347e-05 deg tp 2458197.612822788328 (2018-Mar-20.11282279) 0.00018529 TDB period 2056.199695906822 5.63 2.8307e-05 7.75e-08 d yr n .1750802710051143 2.4102e-09 deg/d Q 3.462072290961538 3.1774e-08 au   Orbit Determination Parameters    # obs. used (total)      486      data-arc span      8978 days (24.58 yr)      first obs. used      1995-10-24      last obs. used      2020-05-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58986      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 18:09:18   Additional Information  Earth MOID = 1.87484 au   Jupiter MOID = 1.94171 au   T_jup = 3.180  [ 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 14.9   n/a MPO432690   diameter diameter 4.832 km 0.666 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.091   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118732 (2000 QY123)          Discovered 2000-Aug-25 by LINEAR at Socorro Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ 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 2066-Nov-15 20:32 00:03 Europ 0.0227589028509655 0.022744508903446 0.022773299386057 3.63168482512739 3.63168469653589 2475970.355350622 2.5974282785819 813.39251170692 55.3679882303559 28.2059052819431 29270.7607618566 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 18:09:20 2020-Nov-12 18:09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 16:20 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin