+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   201942 (2004 FS1) Classification: Inner Main-belt Asteroid          SPK-ID: 2201942 [ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09952976058259029 5.3271e-08   a 1.984413958469343 9.5791e-09 au q 1.786905712286139 1.0942e-07 au i 21.01974284798051 8.6662e-06 deg node 200.6667821938275 1.3422e-05 deg peri 247.5771543210363 4.6449e-05 deg M 79.18991689947894 4.4987e-05 deg tp 2458975.897687639593 (2020-May-06.39768764) 0.0001271 TDB period 1021.049593376688 2.80 7.3932e-06 2.024e-08 d yr n .3525783687053368 2.5529e-09 deg/d Q 2.181922204652547 1.0533e-08 au   Orbit Determination Parameters    # obs. used (total)      253      data-arc span      5793 days (15.86 yr)      first obs. used      2004-03-17      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51242      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 00:14:43   Additional Information  Earth MOID = .863646 au   Jupiter MOID = 3.03498 au   T_jup = 3.769  [ hide covariance matrix ] Orbital Elements at Epoch 2457506.5 (2016-Apr-28.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09926329563201541 5.3179e-08   q 1.787364174056903 1.0917e-07 au tp 2457954.286767199693 (2017-Jul-19.78676720) 0.00012568 TDB node 200.6952546941064 1.3416e-05 deg peri 247.4149323705802 4.6638e-05 deg i 21.02529047371645 8.6686e-06 deg   Orbit Determination Parameters    # obs. used (total)      253      data-arc span      5793 days (15.86 yr)      first obs. used      2004-03-17      last obs. used      2020-01-26      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51242      source      ORB      producer      Otto Matic      solution date      2020-Feb-25 00:14:43   Additional Information  Jupiter MOID = 3.03498 au   T_jup = 3.769  Orbit Covariance (6×6)   e q tp node peri i e 2.828022746655362E-15 -5.79020835314295E-15 -5.000344690636781E-13 8.243127213815203E-15 1.839964064229409E-14 -1.422247872202157E-15 q -5.79020835314295E-15 1.191763079317555E-14 1.257735449482377E-12 -1.787293395109777E-14 3.80873451128248E-14 5.0456307021558E-15 tp -5.000344690636781E-13 1.257735449482377E-12 1.579620486454746E-8 -1.584937121661708E-11 5.604203616779452E-9 5.009296535130965E-11 node 8.243127213815203E-15 -1.787293395109777E-14 -1.584937121661708E-11 1.799949448192747E-10 -1.723268727361673E-10 -3.917378402703598E-11 peri 1.839964064229409E-14 3.80873451128248E-14 5.604203616779452E-9 -1.723268727361673E-10 2.175124332344949E-9 5.450286168119364E-11 i -1.422247872202157E-15 5.0456307021558E-15 5.009296535130965E-11 -3.917378402703598E-11 5.450286168119364E-11 7.514424607459753E-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 17.7   n/a MPO449981   201942 (2004 FS1)          Discovered 2004-Mar-17 by CSS at Catalina Reference: 20081212/Numbers.arc Last Updated: 2008-12-12 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-04 02:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin