+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   27286 Adedmondson (2000 AL111) Classification: Main-belt Asteroid          SPK-ID: 2027286 [ 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 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1918116061868948 3.3486e-08   a 2.26675486108827 6.9259e-09 au q 1.831964970350977 7.4578e-08 au i 4.958997910209144 4.5561e-06 deg node 206.443874981789 3.7771e-05 deg peri 112.3056972951894 3.9709e-05 deg M 127.6660367606412 1.3373e-05 deg tp 2458558.443138296240 (2019-Mar-15.94313830) 4.5307e-05 TDB period 1246.537248678936 3.41 5.7131e-06 1.564e-08 d yr n .2888000341598483 1.3236e-09 deg/d Q 2.701544751825562 8.2544e-09 au   Orbit Determination Parameters    # obs. used (total)      1426      data-arc span      9149 days (25.05 yr)      first obs. used      1995-10-03      last obs. used      2020-10-20      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .52193      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:24:06   Additional Information  Earth MOID = .82619 au   Jupiter MOID = 2.61775 au   T_jup = 3.586  [ 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 14.8   n/a MPO502361   diameter diameter 2.614 km 0.471 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.410   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   27286 Adedmondson           Discovered 2000 Jan. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Adam Edmondson mentored a finalist in the 2011 Intel Science Talent Search, a science competition for high-school seniors. He teaches at the Hazleton Area High School, Hazleton, Pennsylvania, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20110319/MPCPages.arc Last Updated: 2011-03-23 Alternate Designations  2000 AL111 = 1998 MU26 = 2001 FM53  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Nov-28 23:36 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin