+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   6006 Anaximandros (1989 GB4) Classification: Main-belt Asteroid          SPK-ID: 2006006 [ 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 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .07737419297188744 2.8311e-08   a 2.837078106938511 1.0067e-08 au q 2.617561478015934 8.0391e-08 au i 1.414151929494418 3.13e-06 deg node 339.1011900149338 0.00012921 deg peri 9.774706975154453 0.0001311 deg M 73.26759540387438 2.132e-05 deg tp 2458845.265773312334 (2019-Dec-27.76577331) 0.00010349 TDB period 1745.441772759439 4.78 9.2904e-06 2.544e-08 d yr n .2062515092845874 1.0978e-09 deg/d Q 3.056594735861088 1.0846e-08 au   Orbit Determination Parameters    # obs. used (total)      3073      data-arc span      17636 days (48.28 yr)      first obs. used      1972-10-05      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44705      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 01:28:25   Additional Information  Earth MOID = 1.60912 au   Jupiter MOID = 2.27431 au   T_jup = 3.306  [ 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 12.89   n/a E2021B10   diameter diameter 7.494 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.239   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   6006 Anaximandros (1989 GB4)          Discovered 1989-Apr-03 by Elst, E. W. at La Silla Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] Alternate Designations  1989 GB4 = 1972 TN4 = 1986 RC8  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-25 17:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin