+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   469544 (2003 SA344) Classification: Main-belt Asteroid          SPK-ID: 2469544 [ 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 7 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .138935293381983 1.1022e-07   a 2.700532094288423 3.2442e-08 au q 2.325332875481 3.1069e-07 au i 4.540252295505152 1.0192e-05 deg node 311.4038610276319 0.00011085 deg peri 47.92669000041742 0.00012775 deg M 269.4154894557862 5.4967e-05 deg tp 2459408.371990767791 (2021-Jul-12.87199077) 0.00025126 TDB period 1620.96053502145 4.44 2.9209e-05 7.997e-08 d yr n .2220905396658755 4.002e-09 deg/d Q 3.075731313095845 3.6949e-08 au   Orbit Determination Parameters    # obs. used (total)      70      data-arc span      5203 days (14.25 yr)      first obs. used      2003-09-17      last obs. used      2017-12-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49695      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 13:06:58   Additional Information  Earth MOID = 1.32442 au   Jupiter MOID = 2.37881 au   T_jup = 3.349  [ 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 17.4   n/a MPO434688   469544 (2003 SA344)          Discovered 2003-Sep-17 by Spacewatch at Kitt Peak Reference: Last Updated: 2016-08-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Aug-05 23:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin