+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   344199 (2001 PF41) Classification: Main-belt Asteroid          SPK-ID: 2344199 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .217078145176711 5.8922e-08   a 2.332164207582462 1.1655e-08 au q 1.825902327152947 1.3463e-07 au i 6.892510756336841 5.6894e-06 deg node 292.0027101796787 7.2969e-05 deg peri 24.03155499580206 7.585e-05 deg M 113.8920037752497 2.1039e-05 deg tp 2458588.945031885506 (2019-Apr-15.44503189) 7.4422e-05 TDB period 1300.879636937382 3.56 9.7516e-06 2.67e-08 d yr n .2767358253431778 2.0745e-09 deg/d Q 2.838426088011977 1.4185e-08 au   Orbit Determination Parameters    # obs. used (total)      197      data-arc span      6705 days (18.36 yr)      first obs. used      2001-08-11      last obs. used      2019-12-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48988      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:03:23   Additional Information  Earth MOID = .814487 au   Jupiter MOID = 2.45849 au   T_jup = 3.529  [ hide covariance matrix ] Orbital Elements at Epoch 2457290.5 (2015-Sep-25.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2176842561315978 5.8894e-08   q 1.824208647288216 1.3462e-07 au tp 2457289.054859002305 (2015-Sep-23.55485900) 6.9888e-05 TDB node 292.0616376465175 7.3019e-05 deg peri 24.12687906809465 7.5886e-05 deg i 6.890797854128206 5.6879e-06 deg   Orbit Determination Parameters    # obs. used (total)      197      data-arc span      6705 days (18.36 yr)      first obs. used      2001-08-11      last obs. used      2019-12-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48988      source      ORB      producer      Otto Matic      solution date      2020-Nov-11 17:03:23   Additional Information  Jupiter MOID = 2.45849 au   T_jup = 3.529  Orbit Covariance (6×6)   e q tp node peri i e 3.468512267876941E-15 -7.912357733353947E-15 1.196629062664573E-12 -7.189734617178369E-14 2.88229816995381E-13 -8.374274449156833E-15 q -7.912357733353947E-15 1.812268815802227E-14 -2.548688075395675E-12 1.585024619276041E-13 -5.981351440609839E-13 1.836592708785467E-14 tp 1.196629062664573E-12 -2.548688075395675E-12 4.884330572843036E-9 -4.866017068411937E-11 1.533220797038468E-9 -2.143329957042968E-11 node -7.189734617178369E-14 1.585024619276041E-13 -4.866017068411937E-11 5.33179756846439E-9 -5.304164598983533E-9 -1.581124224930452E-11 peri 2.88229816995381E-13 -5.981351440609839E-13 1.533220797038468E-9 -5.304164598983533E-9 5.75873351394957E-9 9.346886302174085E-12 i -8.374274449156833E-15 1.836592708785467E-14 -2.143329957042968E-11 -1.581124224930452E-11 9.346886302174085E-12 3.23524077496118E-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 17.1   n/a MPO446551   344199 (2001 PF41)          Discovered 2001-Aug-11 by NEAT at Palomar Reference: 20121128/Numbers.arc Last Updated: 2012-12-03 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 19:05 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin