+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   46193 (2001 FW141) Classification: Main-belt Asteroid          SPK-ID: 2046193 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06600675845164546 4.18e-08   a 2.828818878018434 1.4952e-08 au q 2.642097713633616 1.2006e-07 au i 2.511198944754236 4.9639e-06 deg node 154.2758391907098 9.2231e-05 deg peri 168.5468098966354 9.8634e-05 deg M 243.0336298391543 3.5876e-05 deg tp 2459565.130912215604 (2021-Dec-16.63091222) 0.00017421 TDB period 1737.825394753173 4.76 1.3778e-05 3.772e-08 d yr n .2071554490381536 1.6424e-09 deg/d Q 3.015540042403252 1.5939e-08 au   Orbit Determination Parameters    # obs. used (total)      912      data-arc span      10685 days (29.25 yr)      first obs. used      1991-02-22      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55448      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:48:26   Additional Information  Earth MOID = 1.62963 au   Jupiter MOID = 2.18963 au   T_jup = 3.309  [ hide covariance matrix ] Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06413650200763001 4.1572e-08   q 2.650087340633497 1.192e-07 au tp 2457824.787737510088 (2017-Mar-12.28773751) 0.00017729 TDB node 154.2787948652453 9.2264e-05 deg peri 168.0159467152883 9.9082e-05 deg i 2.509671113601878 4.9612e-06 deg   Orbit Determination Parameters    # obs. used (total)      912      data-arc span      10685 days (29.25 yr)      first obs. used      1991-02-22      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55448      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 23:48:26   Additional Information  Jupiter MOID = 2.18963 au   T_jup = 3.309  Orbit Covariance (6×6)   e q tp node peri i e 1.728191500835438E-15 -4.920947409792814E-15 2.920073866411842E-12 8.51954384528806E-16 6.177972649448912E-13 3.61769650540006E-16 q -4.920947409792814E-15 1.420776948741588E-14 -7.864871199003296E-12 -3.942287823612604E-15 -1.686390741201755E-12 -9.380653169867978E-16 tp 2.920073866411842E-12 -7.864871199003296E-12 3.143205487421747E-8 -3.839869375193261E-12 6.418701035271498E-9 1.327014836038348E-12 node 8.51954384528806E-16 -3.942287823612604E-15 -3.839869375193261E-12 8.512566477646219E-9 -8.504594691224529E-9 1.572178040944192E-10 peri 6.177972649448912E-13 -1.686390741201755E-12 6.418701035271498E-9 -8.504594691224529E-9 9.817175432206298E-9 -1.568095693222457E-10 i 3.61769650540006E-16 -9.380653169867978E-16 1.327014836038348E-12 1.572178040944192E-10 -1.568095693222457E-10 2.46134918541211E-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 14.9   n/a MPO250641   46193 (2001 FW141)          Discovered 2001-Mar-23 by LONEOS at Anderson Mesa Reference: 20020822/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2001 FW141 = 1998 SW114  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-19 22:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin