+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   259443 (2003 SZ41) Classification: Main-belt Asteroid          SPK-ID: 2259443 [ 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 10 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2372692434669524 6.8889e-08   a 2.357972254934485 1.7362e-08 au q 1.798497961890116 1.5617e-07 au i 24.81496462566888 1.5389e-05 deg node 12.27712699964932 1.8056e-05 deg peri 69.69071966779238 3.7198e-05 deg M 177.4989903954652 3.2121e-05 deg tp 2458348.421547822948 (2018-Aug-17.92154782) 0.00011442 TDB period 1322.532833909212 3.62 1.4607e-05 3.999e-08 d yr n .2722049621527301 3.0063e-09 deg/d Q 2.917446547978854 2.1481e-08 au   Orbit Determination Parameters    # obs. used (total)      209      data-arc span      6647 days (18.20 yr)      first obs. used      2001-03-20      last obs. used      2019-06-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54377      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 04:29:01   Additional Information  Earth MOID = .931075 au   Jupiter MOID = 2.7291 au   T_jup = 3.394  [ 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 16.6   n/a MPO476070   diameter diameter 3.588 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.045   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   259443 (2003 SZ41)          Discovered 2003-Sep-17 by NEAT at Palomar Reference: 20110119/Numbers.arc Last Updated: 2011-01-25 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-24 23:15 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin