+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   78932 (2003 SU144) Classification: Main-belt Asteroid          SPK-ID: 2078932 [ 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 23 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04704008127834967 4.0027e-08   a 3.141110879607997 2.1984e-08 au q 2.993352768526929 1.3214e-07 au i 17.12904735273101 8.101e-06 deg node 56.24043878563423 1.7818e-05 deg peri 61.21824069704805 9.6362e-05 deg M 266.7322711538317 9.3414e-05 deg tp 2459527.307838237301 (2021-Nov-08.80783824) 0.00052771 TDB period 2033.40237949002 5.57 2.1347e-05 5.844e-08 d yr n .177043168450648 1.8586e-09 deg/d Q 3.288868990689066 2.3018e-08 au   Orbit Determination Parameters    # obs. used (total)      955      data-arc span      8004 days (21.91 yr)      first obs. used      1998-12-17      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53584      source      ORB      producer      Otto Matic      solution date      2020-Dec-17 22:07:12   Additional Information  Earth MOID = 2.04469 au   Jupiter MOID = 1.88757 au   T_jup = 3.140  [ 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 13.7   n/a MPO319990   diameter diameter 9.704 km 0.285 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.082   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   78932 (2003 SU144)          Discovered 2003-Sep-19 by LINEAR at Socorro Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2003 SU144 = 2000 JF69  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 18:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin