+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09968704607498263 2.9136e-08   a 2.419605462804244 7.9051e-09 au q 2.178402141550398 6.8708e-08 au i 6.72287344518648 3.4469e-06 deg node 160.2016232122671 3.1781e-05 deg peri 114.6688791495191 3.8816e-05 deg M 117.4767373216671 2.1804e-05 deg tp 2458751.894455397884 (2019-Sep-25.39445540) 8.3629e-05 TDB period 1374.723198300602 3.76 6.7371e-06 1.845e-08 d yr n .2618708991344751 1.2833e-09 deg/d Q 2.66080878405809 8.6932e-09 au   Orbit Determination Parameters    # obs. used (total)      2072      data-arc span      16016 days (43.85 yr)      first obs. used      1977-03-12      last obs. used      2021-01-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .47594      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:22:30   Additional Information  Earth MOID = 1.1706 au   Jupiter MOID = 2.44239 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 14.21   n/a E2021B10   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 ] 2021-Apr-13 05:50 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin