+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15164 (2000 GA89) Classification: Main-belt Asteroid          SPK-ID: 2015164 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09980595609700407 3.3202e-08   a 2.419598592435348 8.9566e-09 au q 2.178108241546373 8.0694e-08 au i 6.722884932744141 3.6936e-06 deg node 160.2018531865084 3.3877e-05 deg peri 114.6668554478515 4.1566e-05 deg M 65.0905386768152 2.2497e-05 deg tp 2458751.941410025563 (2019-Sep-25.44141003) 8.6265e-05 TDB period 1374.717343100895 3.76 7.6332e-06 2.09e-08 d yr n .2618720144956943 1.4541e-09 deg/d Q 2.661088943324323 9.8506e-09 au   Orbit Determination Parameters    # obs. used (total)      1787      data-arc span      15899 days (43.53 yr)      first obs. used      1977-03-12      last obs. used      2020-09-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49462      source      ORB      producer      Otto Matic      solution date      2020-Oct-22 16:39:53   Additional Information  Earth MOID = 1.17215 au   Jupiter MOID = 2.44328 au   T_jup = 3.498  [ 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 14.1   n/a MPO435842   diameter diameter 3.709 km 0.593 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.354   0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15164 (2000 GA89)          Discovered 2000-Apr-04 by LINEAR at Socorro Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 GA89 = 1977 EL2 = 1990 UL5 = 1998 XU88  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 02:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin