+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58509 (1996 XB1) Classification: Main-belt Asteroid          SPK-ID: 2058509 [ 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 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09547684306519776 5.2729e-08   a 3.062419815020386 1.98e-08 au q 2.770029638941933 1.6005e-07 au i 10.32732363514698 5.3872e-06 deg node 54.52608607752304 2.4151e-05 deg peri 322.4984921450364 3.1914e-05 deg M 223.3650252491847 2.2e-05 deg tp 2459943.441975422857 (2022-Dec-29.94197542) 0.00012215 TDB period 1957.471808663926 5.36 1.8984e-05 5.198e-08 d yr n .183910694604444 1.7836e-09 deg/d Q 3.354809991098839 2.169e-08 au   Orbit Determination Parameters    # obs. used (total)      865      data-arc span      8669 days (23.73 yr)      first obs. used      1996-10-14      last obs. used      2020-07-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57667      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 11:30:39   Additional Information  Earth MOID = 1.78004 au   Jupiter MOID = 2.10628 au   T_jup = 3.202  [ hide covariance matrix ] Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB Reference: JPL 21 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09478740475047373 5.2737e-08   q 2.772727192321272 1.5996e-07 au tp 2457989.670438506055 (2017-Aug-24.17043851) 0.00011681 TDB node 54.54812868147048 2.4146e-05 deg peri 323.3697974183747 3.1978e-05 deg i 10.3276570480653 5.3871e-06 deg   Orbit Determination Parameters    # obs. used (total)      865      data-arc span      8669 days (23.73 yr)      first obs. used      1996-10-14      last obs. used      2020-07-09      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .57667      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 11:30:39   Additional Information  Jupiter MOID = 2.10628 au   T_jup = 3.202  Orbit Covariance (6×6)   e q tp node peri i e 2.781235004776241E-15 -8.383287818382043E-15 1.097561841153607E-12 -9.55364927190713E-15 1.357461364319327E-13 -8.608558927701785E-16 q -8.383287818382043E-15 2.558571719574472E-14 -2.901987978722148E-12 2.63978119266952E-14 -3.611424363242019E-13 4.006362152805555E-15 tp 1.097561841153607E-12 -2.901987978722148E-12 1.364457588206604E-8 1.457116432253197E-12 2.460591730341456E-9 -5.354570721752868E-12 node -9.55364927190713E-15 2.63978119266952E-14 1.457116432253197E-12 5.830399070642817E-10 -5.728644031286873E-10 -3.805070651703123E-11 peri 1.357461364319327E-13 -3.611424363242019E-13 2.460591730341456E-9 -5.728644031286873E-10 1.022565934759698E-9 3.649443029757348E-11 i -8.608558927701785E-16 4.006362152805555E-15 -5.354570721752868E-12 -3.805070651703123E-11 3.649443029757348E-11 2.902075565375245E-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 14.43   n/a E2021B10   58509 (1996 XB1)          Discovered 1996-Dec-02 by Kobayashi, T. at Oizumi Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-08 08:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin