+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15534 (2000 AQ164) Classification: Main-belt Asteroid          SPK-ID: 2015534 [ 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 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1516062073105238 4.3806e-08   a 3.043323764116136 1.7726e-08 au q 2.581936990620502 1.3746e-07 au i 7.815240040914519 3.9364e-06 deg node 264.3180926008974 3.2584e-05 deg peri 310.0725655130393 3.5168e-05 deg M 298.8091924498125 1.4632e-05 deg tp 2459530.113011145135 (2021-Nov-11.61301115) 7.9511e-05 TDB period 1939.191338746843 5.31 1.6943e-05 4.639e-08 d yr n .1856443935195387 1.622e-09 deg/d Q 3.50471053761177 2.0414e-08 au   Orbit Determination Parameters    # obs. used (total)      2048      data-arc span      26049 days (71.32 yr)      first obs. used      1949-11-19      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .43696      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:01:23   Additional Information  Earth MOID = 1.58228 au   Jupiter MOID = 1.55324 au   T_jup = 3.208  [ 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 13.11   n/a E2021B10   diameter diameter 13.167 km 0.064 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.071   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15534 (2000 AQ164)          Discovered 2000-Jan-05 by LINEAR at Socorro Reference: 20000621/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  2000 AQ164 = 1998 XG39  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-18 22:19 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin