+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   379139 (2009 DS124) Classification: Mars-crossing Asteroid          SPK-ID: 2379139 [ 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 .2792799039451829 5.9314e-08   a 2.181641312196731 1.8447e-08 au q 1.572352736083585 1.3562e-07 au i 8.246627768815905 6.7736e-06 deg node 351.7906264180939 3.4102e-05 deg peri 309.7748113925595 3.7898e-05 deg M 78.24375896022769 9.5607e-06 deg tp 2458744.688151448419 (2019-Sep-18.18815145) 3.1521e-05 TDB period 1176.991835545386 3.22 1.4929e-05 4.087e-08 d yr n .3058644836165628 3.8795e-09 deg/d Q 2.790929888309877 2.3599e-08 au   Orbit Determination Parameters    # obs. used (total)      174      data-arc span      6828 days (18.69 yr)      first obs. used      2000-09-27      last obs. used      2019-06-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59363      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:57:13   Additional Information  Earth MOID = .57343 au   Jupiter MOID = 2.4994 au   T_jup = 3.616  [ hide covariance matrix ] Orbital Elements at Epoch 2457221.5 (2015-Jul-18.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2789738963937989 5.9314e-08   q 1.573558548973815 1.3564e-07 au tp 2457567.909811497040 (2016-Jun-28.40981150) 3.6848e-05 TDB node 351.8210356183339 3.4094e-05 deg peri 309.7682230308095 3.7895e-05 deg i 8.247047106433913 6.7733e-06 deg   Orbit Determination Parameters    # obs. used (total)      174      data-arc span      6828 days (18.69 yr)      first obs. used      2000-09-27      last obs. used      2019-06-08      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .59363      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:57:13   Additional Information  Jupiter MOID = 2.4994 au   T_jup = 3.616  Orbit Covariance (6×6)   e q tp node peri i e 3.51812501810801E-15 -8.013266133131244E-15 1.359526816536451E-12 -8.657977821225339E-14 6.265443366616698E-13 -2.251779344097564E-14 q -8.013266133131244E-15 1.839802622922007E-14 -3.224828687593699E-12 1.9707097568333E-13 -1.481831941026404E-12 5.372133781614898E-14 tp 1.359526816536451E-12 -3.224828687593699E-12 1.3577917613841E-9 -6.887778541958095E-11 6.31073465493198E-10 -7.31632404617653E-12 node -8.657977821225339E-14 1.9707097568333E-13 -6.887778541958095E-11 1.162377243975462E-9 -1.175590572906889E-9 -8.918402115409577E-11 peri 6.265443366616698E-13 -1.481831941026404E-12 6.31073465493198E-10 -1.175590572906889E-9 1.436036606082083E-9 8.53920181885383E-11 i -2.251779344097564E-14 5.372133781614898E-14 -7.31632404617653E-12 -8.918402115409577E-11 8.53920181885383E-11 4.587780344737958E-11 [ 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 17.6   n/a MPO434345   379139 (2009 DS124)          Discovered 2009-Feb-19 by Spacewatch at Kitt Peak Reference: Last Updated: 2013-11-20 [ show close-approach data ] Alternate Designations  2009 DS124 = 2000 SH232  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 11:34 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin