+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344391 (2001 YQ37) Classification: Main-belt Asteroid          SPK-ID: 2344391 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09386313878264189 5.4324e-08   a 3.123754888857066 3.8616e-08 au q 2.830549450201319 1.7024e-07 au i 17.94879097378573 6.8452e-06 deg node 78.93994738672964 1.9971e-05 deg peri 34.8418371669231 4.5613e-05 deg M 96.62986715765851 3.8355e-05 deg tp 2458459.219063500948 (2018-Dec-06.71906350) 0.00021513 TDB period 2016.572545026157 5.52 3.7393e-05 1.024e-07 d yr n .1785207285936398 3.3103e-09 deg/d Q 3.416960327512812 4.224e-08 au   Orbit Determination Parameters    # obs. used (total)      269      data-arc span      6729 days (18.42 yr)      first obs. used      2001-11-20      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57537      source      ORB      producer      Otto Matic      solution date      2020-May-21 22:26:03   Additional Information  Earth MOID = 1.86353 au   Jupiter MOID = 1.86168 au   T_jup = 3.133  [ 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 15.5   n/a MPO471578   344391 (2001 YQ37)          Discovered 2001-Dec-18 by LINEAR at Socorro Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ 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 1950-Apr-10 10:54 00:05 Jupiter 1.98568839466733 1.98568689152225 1.98568989782054 3.0276149209499 2.88328368062369 2433381.953986794 4.59957826208226 245.28609027813 31.1544972223266 62.0627677926231 1200002.52347057 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 1960-Jul-22 13:36 00:03 Jupiter 1.90187870479727 1.90187791901491 1.90187949058438 4.86901773530228 4.77667371684158 2437138.066576807 2.87698651777086 342.488091965552 33.2908597573234 -87.4991908172038 2582009.99807042 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 2033-Jan-07 02:59 00:01 Jupiter 1.95465104076926 1.95465016338939 1.95465191815002 3.41437668006544 3.28501053544605 2463604.624475140 1.23996521412871 115.157770655897 29.5214990252698 72.2425978202923 1540458.95135224 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 2043-May-11 05:43 00:02 Jupiter 1.95044506529901 1.95044408695577 1.95044604364303 5.01244758318883 4.92504700153889 2467380.738405936 1.51740209058823 178.606666332374 43.7508205328902 -84.61180432921 2576243.24724454 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 2115-Oct-13 13:54 00:06 Jupiter 1.934192232007 1.93419092585586 1.93419353820014 3.77280057070864 3.65488482129394 2493833.079005761 6.18758461402822 543.77120373408 29.6896729080133 80.9810319690798 1684817.15063776 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 2198-Jul-23 07:16 00:11 Jupiter 1.91555468767617 1.91555337922738 1.91555599629711 4.06692638576303 3.95670665719015 2524066.802741546 10.7293610918327 1084.96619824771 30.4489362415959 85.1083692616594 1922211.01893643 T 14 CATAB v2.0f-lin.ifort 2020-May-21 22:26:16 2020-May-21 22:26 Alternate Designations  2001 YQ37 = 2009 HG9  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-22 02:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin