+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   120139 (2003 GV20) Classification: Main-belt Asteroid          SPK-ID: 2120139 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1608291119941898 5.6035e-08   a 2.660988777788931 1.3334e-08 au q 2.233024315630633 1.5092e-07 au i 12.45536030167389 6.0415e-06 deg node 353.4294808618489 1.8188e-05 deg peri 181.9072211347639 2.3266e-05 deg M 6.270700510270802 1.252e-05 deg tp 2458972.882996823306 (2020-May-03.38299682) 5.5125e-05 TDB period 1585.488116889893 4.34 1.1917e-05 3.263e-08 d yr n .2270594122812974 1.7067e-09 deg/d Q 3.088953239947229 1.5478e-08 au   Orbit Determination Parameters    # obs. used (total)      871      data-arc span      9601 days (26.29 yr)      first obs. used      1994-02-10      last obs. used      2020-05-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52499      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 17:59:15   Additional Information  Earth MOID = 1.23789 au   Jupiter MOID = 1.87957 au   T_jup = 3.334  [ 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 15.19   n/a E2021B55   diameter diameter 5.241 km 1.404 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   geometric albedo albedo 0.059   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   120139 (2003 GV20)          Discovered 2003-Apr-03 by Broughton, J. at Reedy Creek Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2003 GV20 = 1994 CJ20  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 16:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin