+ 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 24 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .160829113553647 5.607e-08   a 2.660988776673611 1.3483e-08 au q 2.233024310544991 1.5099e-07 au i 12.45536025969775 6.0419e-06 deg node 353.4294734514922 1.8582e-05 deg peri 181.9072277592757 2.3623e-05 deg M 6.270701540506562 1.2721e-05 deg tp 2458972.882992303373 (2020-May-03.38299230) 5.6007e-05 TDB period 1585.488115893087 4.34 1.205e-05 3.299e-08 d yr n .2270594124240511 1.7257e-09 deg/d Q 3.088953242802231 1.5651e-08 au   Orbit Determination Parameters    # obs. used (total)      844      data-arc span      9573 days (26.21 yr)      first obs. used      1994-02-10      last obs. used      2020-04-27      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51729      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:35:05   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 15.0   n/a MPO417626   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 ] 2020-Oct-28 03:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin