+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1740814467430102 5.2304e-08   a 2.604830393045307 1.4394e-08 au q 2.151377749703816 1.3547e-07 au i 12.42013887429201 4.0041e-06 deg node 128.1557042200415 3.0563e-05 deg peri 66.71958816167559 3.4175e-05 deg M 66.30076217669765 1.4724e-05 deg tp 2458917.697253476563 (2020-Mar-09.19725348) 6.2712e-05 TDB period 1535.562871466047 4.20 1.2728e-05 3.485e-08 d yr n .2344417195085587 1.9432e-09 deg/d Q 3.058283036386797 1.6899e-08 au   Orbit Determination Parameters    # obs. used (total)      658      data-arc span      7819 days (21.41 yr)      first obs. used      1999-04-10      last obs. used      2020-09-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .50865      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:00:51   Additional Information  Earth MOID = 1.18621 au   Jupiter MOID = 2.00406 au   T_jup = 3.358  [ 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 15.83   n/a E2021B55   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 ] 2021-Apr-22 01:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin