+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   71328 (2000 AH85) Classification: Main-belt Asteroid          SPK-ID: 2071328 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1533685677317088 3.6174e-08   a 2.8126025968799 1.4414e-08 au q 2.381237764997945 1.0237e-07 au i 8.827696931767765 4.2572e-06 deg node 119.8888458430536 2.9693e-05 deg peri 37.40904158641925 3.3596e-05 deg M 86.6299604696646 1.539e-05 deg tp 2458585.902573077488 (2019-Apr-12.40257308) 7.2799e-05 TDB period 1722.903633834269 4.72 1.3245e-05 3.626e-08 d yr n .208949585415193 1.6063e-09 deg/d Q 3.243967428761855 1.6625e-08 au   Orbit Determination Parameters    # obs. used (total)      1105      data-arc span      7610 days (20.84 yr)      first obs. used      1999-10-10      last obs. used      2020-08-10      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51612      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:56:43   Additional Information  Earth MOID = 1.39833 au   Jupiter MOID = 1.77694 au   T_jup = 3.286  [ 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 14.4   n/a MPO341145   diameter diameter 7.927 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.064   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   71328 (2000 AH85)          Discovered 2000-Jan-05 by LINEAR at Socorro Reference: 20031109/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 AH85 = 2001 KU44  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 13:06 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin