+ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2322667595779658 1.5041e-07   a 2.54277996547309 2.9144e-08 au q 1.952176702572884 3.9337e-07 au i 6.086214137594495 3.3654e-05 deg node 31.5341277790524 5.5517e-05 deg peri 247.1458912112295 0.00010946 deg M 225.2597379280967 9.4375e-05 deg tp 2459554.814814088774 (2021-Dec-06.31481409) 0.00039442 TDB period 1481.02230174874 4.05 2.5462e-05 6.971e-08 d yr n .2430753403071139 4.1789e-09 deg/d Q 3.133383228373297 3.5913e-08 au   Orbit Determination Parameters    # obs. used (total)      176      data-arc span      4972 days (13.61 yr)      first obs. used      2005-03-10      last obs. used      2018-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62336      source      ORB      producer      Otto Matic      solution date      2018-Oct-31 04:57:11   Additional Information  Earth MOID = .945747 au   Jupiter MOID = 2.04138 au   T_jup = 3.399  [ hide covariance matrix ] Orbital Elements at Epoch 2456616.5 (2013-Nov-20.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .233381485855118 1.4775e-07   q 1.948705894612908 3.8585e-07 au tp 2456593.881700395970 (2013-Oct-28.38170040) 0.00036078 TDB node 31.57599215849243 5.553e-05 deg peri 247.219976312772 0.00010918 deg i 6.086906916055907 3.3649e-05 deg   Orbit Determination Parameters    # obs. used (total)      176      data-arc span      4972 days (13.61 yr)      first obs. used      2005-03-10      last obs. used      2018-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62336      source      ORB      producer      Otto Matic      solution date      2018-Oct-31 04:57:11   Additional Information  Jupiter MOID = 2.04138 au   T_jup = 3.399  Orbit Covariance (6×6)   e q tp node peri i e 2.182962636115679E-14 -5.693540349842007E-14 -4.978803955939778E-11 -9.602024677548168E-15 -1.292766447365591E-11 -3.137248220765206E-13 q -5.693540349842007E-14 1.488798358951749E-13 1.309160687440985E-10 2.823930549127015E-14 3.399411055905002E-11 8.228861017137275E-13 tp -4.978803955939778E-11 1.309160687440985E-10 1.301608229981379E-7 3.789968329419073E-11 3.392050834591884E-8 7.930860387787215E-10 node -9.602024677548168E-15 2.823930549127015E-14 3.789968329419073E-11 3.083544786054625E-9 -3.055039987935568E-9 -4.742958070762626E-10 peri -1.292766447365591E-11 3.399411055905002E-11 3.392050834591884E-8 -3.055039987935568E-9 1.19198723287571E-8 6.783661766174161E-10 i -3.137248220765206E-13 8.228861017137275E-13 7.930860387787215E-10 -4.742958070762626E-10 6.783661766174161E-10 1.132275599709287E-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 ] 2020-Sep-26 21:41 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin