+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   136258 (2003 YQ43) Classification: Main-belt Asteroid          SPK-ID: 2136258 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1666264467497808 6.0995e-08   a 2.42750161917264 1.5671e-08 au q 2.023015649890563 1.442e-07 au i 2.333210529329131 4.7003e-06 deg node 152.7735447659677 0.00012233 deg peri 237.3369230122088 0.00012285 deg M 182.3955882176302 1.4378e-05 deg tp 2459682.036262294181 (2022-Apr-12.53626229) 5.9726e-05 TDB period 1381.458106606903 3.78 1.3377e-05 3.662e-08 d yr n .2605942216258888 2.5234e-09 deg/d Q 2.831987588454716 1.8282e-08 au   Orbit Determination Parameters    # obs. used (total)      565      data-arc span      7475 days (20.47 yr)      first obs. used      1999-12-08      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5718      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:54:15   Additional Information  Earth MOID = 1.02937 au   Jupiter MOID = 2.60645 au   T_jup = 3.489  [ hide covariance matrix ] Orbital Elements at Epoch 2456816.5 (2014-Jun-08.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1649104266350632 6.0711e-08   q 2.028055721073524 1.4324e-07 au tp 2456917.198484331593 (2014-Sep-16.69848433) 4.5362e-05 TDB node 152.7779133243144 0.00012236 deg peri 237.1827954808795 0.00012289 deg i 2.33135500583523 4.6974e-06 deg   Orbit Determination Parameters    # obs. used (total)      565      data-arc span      7475 days (20.47 yr)      first obs. used      1999-12-08      last obs. used      2020-05-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5718      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 15:54:15   Additional Information  Jupiter MOID = 2.60645 au   T_jup = 3.489  Orbit Covariance (6×6)   e q tp node peri i e 3.685766878837619E-15 -8.663808335774363E-15 8.942062678746563E-14 -1.43588321825989E-14 -6.09414368357654E-14 -2.438026285420871E-15 q -8.663808335774363E-15 2.051853388941573E-14 -2.521143672228605E-15 3.630887732941047E-14 1.873828141938597E-13 5.874454256722007E-15 tp 8.942062678746563E-14 -2.521143672228605E-15 2.057756255114915E-9 -1.43582450245362E-12 5.432175125874221E-10 -2.802244621311942E-13 node -1.43588321825989E-14 3.630887732941047E-14 -1.43582450245362E-12 1.497081912201984E-8 -1.495851453719954E-8 2.230013512191712E-10 peri -6.09414368357654E-14 1.873828141938597E-13 5.432175125874221E-10 -1.495851453719954E-8 1.510248158858515E-8 -2.228579963937925E-10 i -2.438026285420871E-15 5.874454256722007E-15 -2.802244621311942E-13 2.230013512191712E-10 -2.228579963937925E-10 2.206599287152114E-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 16.2   n/a MPO453845   diameter diameter 1.769 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.205   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   136258 (2003 YQ43)          Discovered 2003-Dec-19 by LINEAR at Socorro Reference: 20060907/Numbers.arc Last Updated: 2006-09-10 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-27 11:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin