+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118477 (2000 AQ168) Classification: Main-belt Asteroid          SPK-ID: 2118477 [ 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 20 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09514919804895841 3.9564e-08   a 2.207289573935126 8.2745e-09 au q 1.997267741113372 8.707e-08 au i 3.799178347808625 3.4355e-06 deg node 117.5178050371479 6.6638e-05 deg peri 78.37328174955822 7.0059e-05 deg M 14.10202470500764 1.9784e-05 deg tp 2458953.579096615192 (2020-Apr-14.07909662) 6.587e-05 TDB period 1197.808511321982 3.28 6.7353e-06 1.844e-08 d yr n .3005488745464664 1.69e-09 deg/d Q 2.417311406756881 9.0618e-09 au   Orbit Determination Parameters    # obs. used (total)      705      data-arc span      10020 days (27.43 yr)      first obs. used      1992-11-21      last obs. used      2020-04-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53835      source      ORB      producer      Otto Matic      solution date      2020-May-20 20:21:01   Additional Information  Earth MOID = .999955 au   Jupiter MOID = 2.5417 au   T_jup = 3.651  [ 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 16.2   n/a MPO299669   diameter diameter 1.653 km 0.513 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.257   0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118477 (2000 AQ168)          Discovered 2000-Jan-12 by Comba, P. G. at Prescott Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  2000 AQ168 = 2000 CF146  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-21 10:40 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin