+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   392655 (2011 UL205) Classification: Main-belt Asteroid          SPK-ID: 2392655 [ 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 .06001957680685498 1.1202e-07   a 2.93153993024817 5.0366e-08 au q 2.755590144242277 3.1967e-07 au i 11.86841412006866 1.0078e-05 deg node 206.7872607335612 2.9309e-05 deg peri 336.470272255945 5.7928e-05 deg M 83.82122010355924 4.5772e-05 deg tp 2458573.631974426792 (2019-Mar-31.13197443) 0.00023609 TDB period 1833.33634390547 5.02 4.7247e-05 1.294e-07 d yr n .1963633139094974 5.0605e-09 deg/d Q 3.107489716254062 5.3389e-08 au   Orbit Determination Parameters    # obs. used (total)      153      data-arc span      4605 days (12.61 yr)      first obs. used      2006-10-23      last obs. used      2019-06-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62111      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 07:09:05   Additional Information  Earth MOID = 1.75953 au   Jupiter MOID = 1.86646 au   T_jup = 3.241  [ 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 16.0   n/a MPO434456   392655 (2011 UL205)          Discovered 2009-Mar-25 by PMO NEO Survey Program at XuYi Reference: Last Updated: 2014-04-17 [ 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 1917-Jan-13 12:43 00:07 Jupiter 1.91426349510745 1.91426104395623 1.91426594632809 4.37550880627236 4.27318594784995 2421242.029889733 7.10355623730482 638.266796977416 42.9874305758034 80.1717647698559 1795302.21859844 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 1951-Sep-15 15:55 00:05 Jupiter 1.87715242446557 1.87715135144214 1.87715349749433 3.98868896646058 3.87391081070241 2433905.163177589 4.68809218374231 426.303989221716 45.3055765789187 -86.0054492253214 1392930.68820382 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 2047-Feb-25 15:20 00:02 Jupiter 1.86818034344565 1.86817939949013 1.86818128740106 4.25069774560669 4.14266128399444 2468767.138923197 2.30150877024248 230.947589167563 43.2217239946543 -89.402467272033 1552065.0364965 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 2081-Oct-24 09:14 00:05 Jupiter 1.92499401360955 1.9249918438195 1.92499618342039 3.81705027846104 3.6999792835277 2481426.884586667 5.08543810624465 385.24737061472 50.3077334074385 -74.6474323313147 1338565.33027209 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 2142-Aug-09 04:55 00:09 Jupiter 1.93717332831631 1.93716984578674 1.93717681095192 4.33820774886779 4.23621921126091 2503629.705136104 9.26426121422421 770.902147030584 44.6557650531291 77.5693126096245 1808144.37718202 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 2177-Apr-10 22:22 00:12 Jupiter 1.86241263067261 1.86241091416675 1.86241434735198 4.13147263889247 4.01988421693892 2516293.431778014 11.7812793741347 1115.5079096018 45.2258677240553 -85.8834174148374 1455295.64886589 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 07:09:07 2019-Sep-24 07:09 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-13 09:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin