+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233039 (2005 GB13) Classification: Main-belt Asteroid          SPK-ID: 2233039 [ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1575064519099554 3.832e-08   a 3.152923894560312 2.8096e-08 au q 2.656318038785999 1.2926e-07 au i 6.957527964250072 4.4873e-06 deg node 130.1845830340075 4.4157e-05 deg peri 330.6808581295682 4.8334e-05 deg M 13.65469884791233 1.773e-05 deg tp 2459122.938127697853 (2020-Sep-30.43812770) 0.00010065 TDB period 2044.883914304854 5.60 2.7333e-05 7.483e-08 d yr n .1760491133416636 2.3532e-09 deg/d Q 3.649529750334625 3.2521e-08 au   Orbit Determination Parameters    # obs. used (total)      460      data-arc span      6240 days (17.08 yr)      first obs. used      2003-12-19      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57119      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 13:22:49   Additional Information  Earth MOID = 1.67565 au   Jupiter MOID = 1.51145 au   T_jup = 3.176  [ 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 15.3   n/a MPO503131   diameter diameter 4.122 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.086   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   233039 (2005 GB13)          Discovered 2005-Apr-01 by LONEOS at Anderson Mesa Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 [ show close-approach data ] Alternate Designations  2005 GB13 = 2003 YQ64  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 07:43 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin