+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46380 (2001 XF54) Classification: Main-belt Asteroid          SPK-ID: 2046380 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1477556110436999 5.2599e-08   a 2.597609339583907 1.2863e-08 au q 2.213797984360865 1.4046e-07 au i 15.74312511329679 5.1131e-06 deg node 80.76256467867159 1.9345e-05 deg peri 180.6345287829053 2.6426e-05 deg M 320.1632533667979 1.8396e-05 deg tp 2459169.715657288876 (2020-Nov-16.21565729) 7.8428e-05 TDB period 1529.182018423742 4.19 1.1358e-05 3.11e-08 d yr n .235419979873346 1.7486e-09 deg/d Q 2.981420694806948 1.4764e-08 au   Orbit Determination Parameters    # obs. used (total)      1101      data-arc span      10624 days (29.09 yr)      first obs. used      1991-05-13      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55547      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 21:40:26   Additional Information  Earth MOID = 1.19835 au   Jupiter MOID = 2.09511 au   T_jup = 3.348  [ hide covariance matrix ] Orbital Elements at Epoch 2457117.5 (2015-Apr-05.0) TDB Reference: JPL 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1479977175022959 5.2754e-08   q 2.214489307983902 1.4118e-07 au tp 2457637.748229413499 (2016-Sep-06.24822941) 7.5912e-05 TDB node 80.84317856620403 1.9339e-05 deg peri 180.0723326391514 2.6325e-05 deg i 15.74589610413407 5.1111e-06 deg   Orbit Determination Parameters    # obs. used (total)      1101      data-arc span      10624 days (29.09 yr)      first obs. used      1991-05-13      last obs. used      2020-06-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55547      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 21:40:26   Additional Information  Jupiter MOID = 2.09511 au   T_jup = 3.348  Orbit Covariance (6×6)   e q tp node peri i e 2.783027499306328E-15 -7.427458182457915E-15 -1.904331767136821E-12 -3.383180492871734E-14 -3.203349545303452E-13 -9.830201693323349E-15 q -7.427458182457915E-15 1.993106523948062E-14 5.057670741021946E-12 9.377676541498278E-14 8.37449884503959E-13 2.606080617934714E-14 tp -1.904331767136821E-12 5.057670741021946E-12 5.762689520381614E-9 3.086639098903279E-11 1.375805792491368E-9 1.777595008611885E-11 node -3.383180492871734E-14 9.377676541498278E-14 3.086639098903279E-11 3.739798341837516E-10 -3.532126585572965E-10 -4.977321109140902E-11 peri -3.203349545303452E-13 8.37449884503959E-13 1.375805792491368E-9 -3.532126585572965E-10 6.929942731614095E-10 5.202211639401055E-11 i -9.830201693323349E-15 2.606080617934714E-14 1.777595008611885E-11 -4.977321109140902E-11 5.202211639401055E-11 2.612332297908656E-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 14.7   n/a MPO468326   46380 (2001 XF54)          Discovered 2001-Dec-10 by LINEAR at Socorro Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2001 XF54 = 1991 JH5 = 2000 QS33  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-15 06:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin