+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58481 (1996 ST4) Classification: Main-belt Asteroid          SPK-ID: 2058481 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1562946736866018 7.2163e-08   a 2.557277640444952 1.4232e-08 au q 2.157588766105565 1.9147e-07 au i 3.057352400469401 4.6385e-06 deg node 22.6955868275702 0.00010806 deg peri 289.3263666618069 0.00010953 deg M 23.7554756620655 1.4047e-05 deg tp 2459101.934148285684 (2020-Sep-09.43414829) 5.8513e-05 TDB period 1493.706424654629 4.09 1.247e-05 3.414e-08 d yr n .2410112148263929 2.012e-09 deg/d Q 2.956966514784338 1.6457e-08 au   Orbit Determination Parameters    # obs. used (total)      501      data-arc span      8793 days (24.07 yr)      first obs. used      1996-09-20      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5689      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:50:56   Additional Information  Earth MOID = 1.14385 au   Jupiter MOID = 2.31109 au   T_jup = 3.418  [ hide covariance matrix ] Orbital Elements at Epoch 2456880.5 (2014-Aug-11.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1548006290560828 7.2015e-08   q 2.163429868594255 1.9076e-07 au tp 2457609.230302378341 (2016-Aug-08.73030238) 6.427e-05 TDB node 22.801169317578 0.0001081 deg peri 289.3295374856824 0.0001096 deg i 3.05609434272205 4.6326e-06 deg   Orbit Determination Parameters    # obs. used (total)      501      data-arc span      8793 days (24.07 yr)      first obs. used      1996-09-20      last obs. used      2020-10-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5689      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:50:56   Additional Information  Jupiter MOID = 2.31109 au   T_jup = 3.418  Orbit Covariance (6×6)   e q tp node peri i e 5.186110861607533E-15 -1.371853915315137E-14 2.041195554687309E-12 3.293253205872356E-14 6.538494568507311E-13 -9.037367067561406E-15 q -1.371853915315137E-14 3.639026109852574E-14 -5.582366927112326E-12 -8.471949291493886E-14 -1.794228141129382E-12 2.377418469581049E-14 tp 2.041195554687309E-12 -5.582366927112326E-12 4.130641857016118E-9 1.604599869927964E-11 1.192817294298074E-9 -3.363445318840453E-12 node 3.293253205872356E-14 -8.471949291493886E-14 1.604599869927964E-11 1.168651835279902E-8 -1.16651228988913E-8 -1.713916213183113E-10 peri 6.538494568507311E-13 -1.794228141129382E-12 1.192817294298074E-9 -1.16651228988913E-8 1.201248858964789E-8 1.70068157128395E-10 i -9.037367067561406E-15 2.377418469581049E-14 -3.363445318840453E-12 -1.713916213183113E-10 1.70068157128395E-10 2.146095646278301E-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 16.12   n/a E2021B10   58481 (1996 ST4)          Discovered 1996-Sep-20 by BAO Schmidt CCD Asteroid Program at Xinglong Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1996 ST4 = 2000 SJ81  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 12:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin