+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 40 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04557512901853059 1.2287e-08   a 2.378547057443565 6.2619e-09 au q 2.270144468423928 3.0413e-08 au i 2.340369619283734 4.5397e-07 deg node 116.0434539340157 1.4415e-05 deg peri 313.5612637946363 2.4003e-05 deg M 287.922986764681 1.8316e-05 deg tp 2459468.762723806336 (2021-Sep-11.26272381) 6.8523e-05 TDB period 1339.880445031508 3.67 5.2911e-06 1.449e-08 d yr n .2686806881426905 1.061e-09 deg/d Q 2.486949646463202 6.5473e-09 au   Orbit Determination Parameters    # obs. used (total)      3144      data-arc span      25269 days (69.18 yr)      first obs. used      1951-12-01      last obs. used      2021-02-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44852      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 14:18:29   Additional Information  Earth MOID = 1.28445 au   Jupiter MOID = 2.61612 au   T_jup = 3.537  [ 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 13.29   n/a MPCxxxxx   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-May-16 08:24 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin