+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120385 (2005 QB36) Classification: Main-belt Asteroid          SPK-ID: 2120385 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07274560694617456 4.2923e-08   a 3.064518536800926 2.359e-08 au q 2.84158827584354 1.421e-07 au i 9.852565979585654 5.9049e-06 deg node 177.4350775620311 2.7838e-05 deg peri 126.561024991205 5.2943e-05 deg M 352.1861535174727 4.3581e-05 deg tp 2459243.030861475669 (2021-Jan-28.53086148) 0.00023723 TDB period 1959.484380129372 5.36 2.2625e-05 6.194e-08 d yr n .1837218013323646 2.1214e-09 deg/d Q 3.287448797758312 2.5306e-08 au   Orbit Determination Parameters    # obs. used (total)      450      data-arc span      10396 days (28.46 yr)      first obs. used      1992-03-03      last obs. used      2020-08-19      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57297      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:57:33   Additional Information  Earth MOID = 1.83882 au   Jupiter MOID = 1.94236 au   T_jup = 3.206  [ 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 15.25   n/a E2021B55   120385 (2005 QB36)          Discovered 2005-Aug-25 by NEAT at Palomar 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 1952-Oct-02 00:49 00:02 Jupiter 1.93639696820938 1.93639640487511 1.93639753154376 3.92235090443984 3.80919843802889 2434287.533841712 2.08776040976354 135.544891681337 23.7016585570313 85.5366488655171 2354276.86382246 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:35 2020-Nov-12 17:57 2011-Jun-12 14:45 < 00:01 Jupiter 1.9566752722336 1.95667469897157 1.95667584549563 4.41610562968111 4.31696787500277 2455725.114476857 0.222608383664044 40.6152078469511 25.6507123462632 -84.8406784429393 2643024.5078401 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:35 2020-Nov-12 17:57 2060-Jun-15 04:24 00:02 Jupiter 1.98739991154142 1.98739931710179 1.98740050598128 3.15791685817821 3.0199414325622 2473625.683554426 1.73224263498385 70.9866354999587 17.9600322358412 72.6704084854667 2432030.13793087 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:35 2020-Nov-12 17:57 2119-Feb-12 16:22 00:04 Jupiter 1.95911774410662 1.95911716249841 1.9591183257155 3.67241852235069 3.55273977188701 2495051.182057908 3.71706081874807 201.011028163693 22.732251681321 84.1403314005079 2204226.00606468 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:35 2020-Nov-12 17:57 2177-Oct-20 00:19 00:06 Jupiter 1.96364865667755 1.96364795768981 1.96364935567567 4.23398406002685 4.13084958615349 2516485.512946528 5.55356810571046 387.186702425881 24.8609094162505 -88.5845635810281 2499746.63610712 T 18 CATAB v2.0f-lin.ifort 2020-Nov-12 17:57:35 2020-Nov-12 17:57 Alternate Designations  2005 QB36 = 1998 HX149  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 07:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin