+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   357657 (2005 JD68) Classification: Main-belt Asteroid          SPK-ID: 2357657 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2322667920595413 1.3736e-07   a 2.542779948348336 2.7156e-08 au q 1.952176606832142 3.5759e-07 au i 6.086223002402241 3.3569e-05 deg node 31.534127863967 5.2582e-05 deg peri 247.145858363167 0.00010355 deg M 225.2597782208074 8.8227e-05 deg tp 2459554.814642726863 (2021-Dec-06.31464273) 0.00036824 TDB period 1481.022286787471 4.05 2.3726e-05 6.496e-08 d yr n .243075342762658 3.894e-09 deg/d Q 3.13338328986453 3.3464e-08 au   Orbit Determination Parameters    # obs. used (total)      187      data-arc span      4993 days (13.67 yr)      first obs. used      2005-03-10      last obs. used      2018-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6125      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:26:46   Additional Information  Earth MOID = .945747 au   Jupiter MOID = 2.04138 au   T_jup = 3.399  [ hide covariance matrix ] Orbital Elements at Epoch 2456810.5 (2014-Jun-02.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2333515634725881 1.3495e-07   q 1.948595850230141 3.5088e-07 au tp 2456593.815823923319 (2013-Oct-28.31582392) 0.00033947 TDB node 31.57133348074012 5.2594e-05 deg peri 247.1974453735594 0.00010329 deg i 6.087082764223089 3.3566e-05 deg   Orbit Determination Parameters    # obs. used (total)      187      data-arc span      4993 days (13.67 yr)      first obs. used      2005-03-10      last obs. used      2018-11-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .6125      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 16:26:46   Additional Information  Jupiter MOID = 2.04138 au   T_jup = 3.399  Orbit Covariance (6×6)   e q tp node peri i e 1.821144314926107E-14 -4.728094024816419E-14 -4.244909676770834E-11 -3.684572225384998E-14 -1.109938368462678E-11 -2.661760154889128E-13 q -4.728094024816419E-14 1.231166150260115E-13 1.113457456135567E-10 9.895587656432337E-14 2.912118417413867E-11 6.967201579520263E-13 tp -4.244909676770834E-11 1.113457456135567E-10 1.152373996075161E-7 1.107237664104635E-10 3.018497042572696E-8 6.942252678522411E-10 node -3.684572225384998E-14 9.895587656432337E-14 1.107237664104635E-10 2.766093521438028E-9 -2.720281479598649E-9 -4.350134330006303E-10 peri -1.109938368462678E-11 2.912118417413867E-11 3.018497042572696E-8 -2.720281479598649E-9 1.066899456366606E-8 6.149076347693994E-10 i -2.661760154889128E-13 6.967201579520263E-13 6.942252678522411E-10 -4.350134330006303E-10 6.149076347693994E-10 1.126644900627195E-9 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.1   n/a MPO471687   357657 (2005 JD68)          Discovered 2005-May-04 by Siding Spring Survey at Siding Spring Reference: 20130327/Numbers.arc Last Updated: 2013-03-29 Alternate Designations  2005 JD68 = 2006 UK283  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 06:13 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin