+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   48181 (2001 HW32) Classification: Main-belt Asteroid          SPK-ID: 2048181 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1038412190578817 4.0452e-08   a 2.760181846921836 1.5021e-08 au q 2.473561199116037 1.1428e-07 au i 3.447888056080349 4.7257e-06 deg node 84.13725603122681 8.0718e-05 deg peri 194.7218416040764 8.4808e-05 deg M 5.62783128053354 2.4494e-05 deg tp 2458974.315545054339 (2020-May-04.81554505) 0.00011402 TDB period 1674.962043201865 4.59 1.3673e-05 3.743e-08 d yr n .214930243620221 1.7545e-09 deg/d Q 3.046802494727634 1.6581e-08 au   Orbit Determination Parameters    # obs. used (total)      1021      data-arc span      7939 days (21.74 yr)      first obs. used      1998-11-11      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58324      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 04:32:50   Additional Information  Earth MOID = 1.45731 au   Jupiter MOID = 2.05529 au   T_jup = 3.331  [ hide covariance matrix ] Orbital Elements at Epoch 2456629.5 (2013-Dec-03.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1015600302942672 4.0479e-08   q 2.479994910884626 1.1369e-07 au tp 2457301.170508090492 (2015-Oct-05.67050809) 0.00012124 TDB node 84.16010123921509 8.0654e-05 deg peri 194.6837389416216 8.4949e-05 deg i 3.448932591031249 4.7274e-06 deg   Orbit Determination Parameters    # obs. used (total)      1021      data-arc span      7939 days (21.74 yr)      first obs. used      1998-11-11      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58324      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 04:32:50   Additional Information  Jupiter MOID = 2.05529 au   T_jup = 3.331  Orbit Covariance (6×6)   e q tp node peri i e 1.638526396086033E-15 -4.569504946396133E-15 -2.247869118307112E-14 -3.670879763940602E-15 2.139782143395733E-14 -3.059863228900091E-17 q -4.569504946396133E-15 1.292634991851208E-14 -5.644313694528086E-13 8.40320621927893E-15 -2.121140784629526E-13 9.400773235963016E-17 tp -2.247869118307112E-14 -5.644313694528086E-13 1.469955112036744E-8 1.368526204568678E-11 3.257046162290961E-9 1.403012987859803E-12 node -3.670879763940602E-15 8.40320621927893E-15 1.368526204568678E-11 6.505056173537791E-9 -6.490291986694612E-9 -5.423273064799618E-11 peri 2.139782143395733E-14 -2.121140784629526E-13 3.257046162290961E-9 -6.490291986694612E-9 7.216399664946316E-9 5.444830409894965E-11 i -3.059863228900091E-17 9.400773235963016E-17 1.403012987859803E-12 -5.423273064799618E-11 5.444830409894965E-11 2.234823702377367E-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 MPO474359   48181 (2001 HW32)          Discovered 2001-Apr-24 by LINEAR at Socorro Reference: 20020921/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2001 HW32 = 2000 BW17  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-19 04:23 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin