+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   103288 (2000 AA42) Classification: Main-belt Asteroid          SPK-ID: 2103288 [ 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 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1588737969914225 2.9992e-08   a 2.621459104267921 1.6449e-08 au q 2.204977942715143 8.1201e-08 au i 13.32230249566374 4.5728e-06 deg node 321.4722476936716 1.3431e-05 deg peri 283.6562322764806 2.2693e-05 deg M 231.3208765620489 2.2084e-05 deg tp 2459754.638915413536 (2022-Jun-24.13891541) 9.8594e-05 TDB period 1550.29039846597 4.24 1.4591e-05 3.995e-08 d yr n .2322145582248488 2.1856e-09 deg/d Q 3.037940265820699 1.9062e-08 au   Orbit Determination Parameters    # obs. used (total)      1215      data-arc span      10016 days (27.42 yr)      first obs. used      1993-08-17      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .44407      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:33:58   Additional Information  Earth MOID = 1.23475 au   Jupiter MOID = 2.2058 au   T_jup = 3.349  [ 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 14.59   n/a E2021B55   diameter diameter 3.987 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.193   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   103288 (2000 AA42)          Discovered 2000-Jan-03 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  2000 AA42 = 2002 TE236 = 2003 YF127  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Feb-28 19:39 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin