+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   1226 Golia (1930 HL) Classification: Main-belt Asteroid          SPK-ID: 2001226 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 60 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1113870386610995 6.8573e-08   a 2.582545745241777 1.4661e-08 AU q 2.294883622472473 1.7692e-07 AU i 9.847562258104173 8.8298e-06 deg node 17.50720168477563 3.9526e-05 deg peri 139.5933244543363 5.4391e-05 deg M 37.69539979697919 3.7477e-05 deg tp 2456241.770987484621 (2012-Nov-10.27098748) 0.00015785 JED period 1515.899680419779 4.15 1.2908e-05 3.534e-08 d yr n .2374827336201494 2.0222e-09 deg/d Q 2.870207868011081 1.6294e-08 AU   Orbit Determination Parameters    # obs. used (total)      946      data-arc span      30313 days (82.99 yr)      first obs. used      1930-04-22      last obs. used      2013-04-19      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .53772      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 12:42:42   Additional Information  Earth MOID = 1.31198 AU   T_jup = 3.394  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 11.10 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 diameter diameter 16.39 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 rotation period rot_per 4.097 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Di Martino, M.; Dotto, E.; Barucci, M.A.; Fulchignoni, M.; Rotundi, A. (1994) Icarus 109, 210-218.] geometric albedo albedo 0.2388   0.052 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3 1226 Golia (1930 HL)          Discovered 1930-Apr-22 by Van Gent, H. at Johannesburg (LS) Some authorities give Apr. 23. Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1930 HL = 1957 WN  [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-May-19 22:53 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin