+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187020 (2005 AZ63) Classification: Jupiter Trojan          SPK-ID: 2187020 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 17 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .06336162080390384 5.0831e-08   a 5.101971318311169 1.2093e-07 au q 4.778702146287944 3.3989e-07 au i 9.39020769823885 4.5255e-06 deg node 128.2197099205596 4.2351e-05 deg peri 192.6733561576297 7.0271e-05 deg M 295.1018248499969 5.8157e-05 deg tp 2459959.314166960489 (2023-Jan-14.81416696) 0.0006891 TDB period 4209.257031871456 11.52 0.00014965 4.097e-07 d yr n .08552578216872213 3.0407e-09 deg/d Q 5.425240490334395 1.2859e-07 au   Orbit Determination Parameters    # obs. used (total)      328      data-arc span      7718 days (21.13 yr)      first obs. used      1999-07-20      last obs. used      2020-09-05      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53088      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:53:41   Additional Information  Earth MOID = 3.76443 au   Jupiter MOID = .0937344 au   T_jup = 2.970  [ 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 13.38   n/a E2021B55   diameter diameter 10.412 km 1.057 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)   geometric albedo albedo 0.078   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)   187020 (2005 AZ63)          Discovered 2005-Jan-13 by Spacewatch at Kitt Peak Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 Alternate Designations  2005 AZ63 = 2006 CE18  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-22 21:33 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin