+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259433 (2003 SE17) Classification: Main-belt Asteroid          SPK-ID: 2259433 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1904475486375674 4.8817e-08   a 2.243104669116165 8.4857e-09 au q 1.81591088354551 1.087e-07 au i 3.372587487152967 5.9894e-06 deg node 18.56564951617915 6.5658e-05 deg peri 315.8346093760481 6.7084e-05 deg M 8.913833637023281 1.4796e-05 deg tp 2458970.116712751274 (2020-Apr-30.61671275) 5.0342e-05 TDB period 1227.079599523925 3.36 6.9631e-06 1.906e-08 d yr n .2933795005146126 1.6648e-09 deg/d Q 2.67029845468682 1.0102e-08 au   Orbit Determination Parameters    # obs. used (total)      312      data-arc span      6821 days (18.67 yr)      first obs. used      2002-03-15      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54066      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:16:43   Additional Information  Earth MOID = .80798 au   Jupiter MOID = 2.69909 au   T_jup = 3.607  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 17.1   n/a MPO433690   259433 (2003 SE17)          Discovered 2003-Sep-18 by CINEOS at Campo Imperatore Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-17 23:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin