+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134140 (2005 AT32) Classification: Main-belt Asteroid          SPK-ID: 2134140 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1609666667952825 4.9319e-08   a 3.156453221591062 2.7715e-08 au q 2.648369467616318 1.5563e-07 au i 19.33484760816221 4.568e-06 deg node 131.5883278893496 1.6738e-05 deg peri 79.59168785108288 2.2747e-05 deg M 236.9818867894144 1.7933e-05 deg tp 2459900.445174971544 (2022-Nov-16.94517497) 0.0001077 TDB period 2048.318385101629 5.61 2.6978e-05 7.386e-08 d yr n .1757539270351949 2.3148e-09 deg/d Q 3.664536975565807 3.2177e-08 au   Orbit Determination Parameters    # obs. used (total)      523      data-arc span      7634 days (20.90 yr)      first obs. used      2000-03-15      last obs. used      2021-02-07      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .59667      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 18:07:06   Additional Information  Earth MOID = 1.72786 au   Jupiter MOID = 1.66517 au   T_jup = 3.099  [ 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 14.8   n/a MPO417703   diameter diameter 7.381 km 0.273 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   134140 (2005 AT32)          Discovered 2005-Jan-11 by LINEAR at Socorro Reference: 20060711/Numbers.arc Last Updated: 2006-07-17 [ show close-approach data ] Alternate Designations  2005 AT32 = 2000 HR83  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-15 23:31 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin