+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58513 (1996 XW11) Classification: Main-belt Asteroid          SPK-ID: 2058513 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1054820094705204 4.8111e-08   a 2.930738475112161 1.6442e-08 au q 2.621598291524761 1.4831e-07 au i 3.067076878619141 3.809e-06 deg node 69.98284518314114 0.00012217 deg peri 338.0704748985381 0.00012614 deg M 332.5613197900626 3.0845e-05 deg tp 2459340.176949943725 (2021-May-05.67694994) 0.00015708 TDB period 1832.584570213029 5.02 1.5422e-05 4.222e-08 d yr n .196443867230723 1.6532e-09 deg/d Q 3.239878658699561 1.8177e-08 au   Orbit Determination Parameters    # obs. used (total)      677      data-arc span      10622 days (29.08 yr)      first obs. used      1991-12-13      last obs. used      2021-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55148      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:43:37   Additional Information  Earth MOID = 1.63103 au   Jupiter MOID = 2.10654 au   T_jup = 3.266  [ hide covariance matrix ] Orbital Elements at Epoch 2457378.5 (2015-Dec-22.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1082570785180718 4.9767e-08   q 2.614182353720393 1.5403e-07 au tp 2457493.692237490239 (2016-Apr-15.19223749) 0.00014762 TDB node 70.03268500915392 0.00012196 deg peri 335.8356584335874 0.00012557 deg i 3.0719487167206 3.8206e-06 deg   Orbit Determination Parameters    # obs. used (total)      677      data-arc span      10622 days (29.08 yr)      first obs. used      1991-12-13      last obs. used      2021-01-11      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55148      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 05:43:37   Additional Information  Jupiter MOID = 2.10654 au   T_jup = 3.266  Orbit Covariance (6×6)   e q tp node peri i e 2.476730485007165E-15 -7.639129444969817E-15 -3.520914706304721E-12 7.811891346273456E-15 -6.883787964994646E-13 -2.251745617142552E-15 q -7.639129444969817E-15 2.372584243603694E-14 1.044558564880812E-11 -2.648942687570297E-14 2.034187033441812E-12 6.967065436128734E-15 tp -3.520914706304721E-12 1.044558564880812E-11 2.179291833139674E-8 5.9880933402232E-11 4.49189753143563E-9 5.906054378331151E-12 node 7.811891346273456E-15 -2.648942687570297E-14 5.9880933402232E-11 1.4874494324107E-8 -1.483952266440804E-8 -1.34327645411665E-10 peri -6.883787964994646E-13 2.034187033441812E-12 4.49189753143563E-9 -1.483952266440804E-8 1.576747703091386E-8 1.353277630799172E-10 i -2.251745617142552E-15 6.967065436128734E-15 5.906054378331151E-12 -1.34327645411665E-10 1.353277630799172E-10 1.459661421047933E-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 15.22   n/a E2021B10   diameter diameter 3.192 km 1.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.144   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58513 (1996 XW11)          Discovered 1996-Dec-04 by Spacewatch at Kitt Peak Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-03 22:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin