+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   25131 Katiemelua (1998 SY3) Classification: Main-belt Asteroid          SPK-ID: 2025131 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .157087428260911 3.8315e-08   a 2.73050505837181 1.0571e-08 au q 2.301577040898774 1.057e-07 au i 4.529142983572474 3.8104e-06 deg node 191.078383879616 5.1344e-05 deg peri 118.1242493110862 5.308e-05 deg M 346.2216098418497 1.1766e-05 deg tp 2459063.575235777044 (2020-Aug-02.07523578) 5.3858e-05 TDB period 1648.021620748179 4.51 9.5703e-06 2.62e-08 d yr n .2184437360940477 1.2685e-09 deg/d Q 3.159433075844847 1.2232e-08 au   Orbit Determination Parameters    # obs. used (total)      1003      data-arc span      13626 days (37.31 yr)      first obs. used      1983-04-17      last obs. used      2020-08-06      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56719      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 02:13:44   Additional Information  Earth MOID = 1.29146 au   Jupiter MOID = 2.11671 au   T_jup = 3.332  [ 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 15.0   n/a MPO435936   diameter diameter 3.170 km 0.338 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.133   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   25131 Katiemelua           Discovered 1998 Sept. 18 by ODAS at Caussols. Katie Melua (b. 1984) is a Georgian-born British singer, songwriter and musician whose songs have included astronomical culture. Her rich and subtle voice mixes tones from blues, jazz and pop music, making her live performances a unique experience for audiences. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2014-01-16 Last Updated: 2014-01-21 [ show close-approach data ] Alternate Designations  1998 SY3 = 1993 PB9 = 1997 MD2 = 1998 UV38  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-28 12:38 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin