+ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0455952986277124 2.7345e-08   a 2.37980565245024 6.9859e-09 au q 2.271297703050854 6.601e-08 au i 2.340155931538811 3.2432e-06 deg node 116.0410268390308 8.3512e-05 deg peri 312.8657293819046 9.4527e-05 deg M 234.9221525004974 4.4962e-05 deg tp 2459466.395550113086 (2021-Sep-08.89555011) 0.00016814 TDB period 1340.944071182374 3.67 5.9045e-06 1.617e-08 d yr n .2684675727620549 1.1821e-09 deg/d Q 2.488313601849627 7.3044e-09 au   Orbit Determination Parameters    # obs. used (total)      2724      data-arc span      25081 days (68.67 yr)      first obs. used      1951-12-01      last obs. used      2020-08-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46439      source      ORB      producer      Otto Matic      solution date      2020-Aug-24 22:56:42   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 ] 2020-Oct-01 17:02 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin