+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2806 Graz (1953 GG) Classification: Main-belt Asteroid          SPK-ID: 2002806 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 36 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0455953015180442 2.4223e-08   a 2.379805653075531 6.7192e-09 au q 2.271297696769206 5.9635e-08 au i 2.340154507191811 3.188e-06 deg node 116.041106867825 7.5556e-05 deg peri 312.8656473545871 8.7238e-05 deg M 234.9221540117849 4.4335e-05 deg tp 2459466.395544667395 (2021-Sep-08.89554467) 0.00016591 TDB period 1340.94407171087 3.67 5.6791e-06 1.555e-08 d yr n .2684675726562457 1.137e-09 deg/d Q 2.488313609381855 7.0255e-09 au   Orbit Determination Parameters    # obs. used (total)      2981      data-arc span      25187 days (68.96 yr)      first obs. used      1951-12-01      last obs. used      2020-11-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44748      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:08:30   Additional Information  Earth MOID = 1.28609 au   Jupiter MOID = 2.61702 au   T_jup = 3.536  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.2   n/a MPO337272   diameter diameter 13.132 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.059   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   2806 Graz (1953 GG)          Discovered 1953-Apr-07 by Reinmuth, K. at Heidelberg Reference: DISCOVERY.DB Last Updated: 2003-08-29 Alternate Designations  1953 GG = 1951 WK1 = 1953 HB = 1969 UX1 = 1980 RO4 = 1982 DA2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-16 08:44 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin