+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447158 (2005 JD17) Classification: Main-belt Asteroid          SPK-ID: 2447158 [ 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 .1331878009019948 7.9162e-08   a 2.653745211598442 2.3759e-08 au q 2.300298722711446 2.0865e-07 au i 12.34318254215604 9.5509e-06 deg node 226.3249864787193 3.7788e-05 deg peri 23.88022399098649 5.6372e-05 deg M 155.2758618213178 4.1896e-05 deg tp 2458319.434768907866 (2018-Jul-19.93476891) 0.00017974 TDB period 1579.018659547424 4.32 2.1205e-05 5.806e-08 d yr n .2279897060261356 3.0617e-09 deg/d Q 3.007191700485437 2.6923e-08 au   Orbit Determination Parameters    # obs. used (total)      137      data-arc span      5293 days (14.49 yr)      first obs. used      2005-05-04      last obs. used      2019-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50146      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 16:20:38   Additional Information  Earth MOID = 1.29245 au   Jupiter MOID = 2.02113 au   T_jup = 3.344  [ hide covariance matrix ] Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB Reference: JPL 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1334512200708163 7.8649e-08   q 2.299437624860063 2.0703e-07 au tp 2456742.303703287089 (2014-Mar-25.80370329) 0.00017291 TDB node 226.3295324837947 3.7791e-05 deg peri 24.24824304735713 5.6526e-05 deg i 12.34248286226406 9.556e-06 deg   Orbit Determination Parameters    # obs. used (total)      137      data-arc span      5293 days (14.49 yr)      first obs. used      2005-05-04      last obs. used      2019-10-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50146      source      ORB      producer      Otto Matic      solution date      2019-Nov-08 16:20:38   Additional Information  Jupiter MOID = 2.02113 au   T_jup = 3.344  Orbit Covariance (6×6)   e q tp node peri i e 6.185716829565111E-15 -1.620369853362189E-14 -5.312020666039811E-12 3.587447713577536E-14 -1.584884414671787E-12 5.725298632324363E-15 q -1.620369853362189E-14 4.286142870006352E-14 1.514293748996725E-11 -1.021377908681827E-13 4.467316783432643E-12 -1.523930433540531E-14 tp -5.312020666039811E-12 1.514293748996725E-11 2.98981191077981E-8 -1.156630843266909E-10 7.312920407632357E-9 -3.296511669955728E-11 node 3.587447713577536E-14 -1.021377908681827E-13 -1.156630843266909E-10 1.428189298629183E-9 -1.423141950122514E-9 -1.912581988886358E-10 peri -1.584884414671787E-12 4.467316783432643E-12 7.312920407632357E-9 -1.423141950122514E-9 3.195149093336244E-9 1.787579244948222E-10 i 5.725298632324363E-15 -1.523930433540531E-14 -3.296511669955728E-11 -1.912581988886358E-10 1.787579244948222E-10 9.13168874763201E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.6   n/a MPO456118   447158 (2005 JD17)          Discovered 2005-May-04 by LONEOS at Anderson Mesa Reference: Last Updated: 2015-10-28 Alternate Designations  2005 JD17 = 2006 UK48  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-09 02:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin