+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   160311 (2003 GA37) Classification: Main-belt Asteroid          SPK-ID: 2160311 [ 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 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1738852916706496 5.2397e-08   a 2.603741474950107 1.4571e-08 au q 2.15098912914344 1.3585e-07 au i 12.4196111790287 4.0456e-06 deg node 128.1584073804892 3.0731e-05 deg peri 66.60546872288782 3.4364e-05 deg M 19.50517260218209 1.4801e-05 deg tp 2458917.353778984925 (2020-Mar-08.85377898) 6.3072e-05 TDB period 1534.600086649744 4.20 1.2882e-05 3.527e-08 d yr n .234588804687176 1.9692e-09 deg/d Q 3.056493820756773 1.7105e-08 au   Orbit Determination Parameters    # obs. used (total)      635      data-arc span      7719 days (21.13 yr)      first obs. used      1999-04-10      last obs. used      2020-05-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51022      source      ORB      producer      Otto Matic      solution date      2020-Jun-24 03:07:59   Additional Information  Earth MOID = 1.18635 au   Jupiter MOID = 2.00647 au   T_jup = 3.359  [ 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 15.7   n/a MPO469694   diameter diameter 4.076 km 1.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   geometric albedo albedo 0.051   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)   160311 (2003 GA37)          Discovered 2003-Apr-06 by LONEOS at Anderson Mesa Reference: 20070730/Numbers.arc Last Updated: 2007-08-06 [ show close-approach data ] Alternate Designations  2003 GA37 = 2004 PA74  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-14 21:07 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin