+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78959 (2003 SL232) Classification: Main-belt Asteroid          SPK-ID: 2078959 [ 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 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1232773875612939 3.5864e-08   a 3.181095396864818 2.2567e-08 au q 2.788938266756066 1.2277e-07 au i 6.243831292776294 4.8508e-06 deg node 56.40926347709906 4.4799e-05 deg peri 29.71982598030703 5.0297e-05 deg M 279.0573402945522 2.3296e-05 deg tp 2459466.449056605208 (2021-Sep-08.94905661) 0.00013551 TDB period 2072.351723902953 5.67 2.2052e-05 6.038e-08 d yr n .1737156853480431 1.8485e-09 deg/d Q 3.573252526973571 2.5349e-08 au   Orbit Determination Parameters    # obs. used (total)      915      data-arc span      8005 days (21.92 yr)      first obs. used      1998-12-14      last obs. used      2020-11-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52541      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 04:13:09   Additional Information  Earth MOID = 1.80721 au   Jupiter MOID = 1.67018 au   T_jup = 3.178  [ show covariance matrix ] [ 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 14.2   n/a MPO449496   diameter diameter 6.561 km 0.306 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.103   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78959 (2003 SL232)          Discovered 2003-Sep-24 by NEAT at Haleakala Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2003 SL232 = 1998 XN42  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 18:35 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin