+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1566551734750589 3.7972e-08   a 2.729030229626991 1.0021e-08 au q 2.301513525586095 1.0424e-07 au i 4.530632916325879 3.5514e-06 deg node 191.0509199665881 4.8521e-05 deg peri 118.0396857325826 5.0286e-05 deg M 30.01668145973344 1.0941e-05 deg tp 2459063.199815074966 (2020-Aug-01.69981507) 5.0153e-05 TDB period 1646.68658123712 4.51 9.0701e-06 2.483e-08 d yr n .2186208378096698 1.2042e-09 deg/d Q 3.156546933667887 1.1591e-08 au   Orbit Determination Parameters    # obs. used (total)      1154      data-arc span      13769 days (37.70 yr)      first obs. used      1983-04-17      last obs. used      2020-12-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .54707      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 03:12:06   Additional Information  Earth MOID = 1.28941 au   Jupiter MOID = 2.11822 au   T_jup = 3.333  [ 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 15.09   n/a E2021B10   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 ] 2021-Mar-06 12:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin