+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1573714386883 4.6341e-08   a 3.152366761777389 3.8009e-08 au q 2.656274269203303 1.6573e-07 au i 6.957376213417405 4.6057e-06 deg node 130.1858697835072 5.4303e-05 deg peri 330.7266181718005 5.8579e-05 deg M 338.4051396351256 2.323e-05 deg tp 2459123.131329268580 (2020-Sep-30.63132927) 0.00013294 TDB period 2044.341930939157 5.60 3.6974e-05 1.012e-07 d yr n .176095786400379 3.1848e-09 deg/d Q 3.648459254351474 4.399e-08 au   Orbit Determination Parameters    # obs. used (total)      396      data-arc span      5863 days (16.05 yr)      first obs. used      2003-12-19      last obs. used      2020-01-07      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5902      source      ORB      producer      Otto Matic      solution date      2020-Jan-30 02:01:23   Additional Information  Earth MOID = 1.67576 au   Jupiter MOID = 1.51241 au   T_jup = 3.177  [ 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 ] 2020-Aug-06 00:01 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin