+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15550 Sydney (2000 FR10) Classification: Main-belt Asteroid          SPK-ID: 2015550 [ 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 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1218613325656537 2.1376e-08   a 2.972455641755303 1.6415e-08 au q 2.610228236258706 7.1705e-08 au i 9.592347328491414 6.7783e-07 deg node 228.0570512766587 3.3127e-06 deg peri 112.9648369168014 6.3884e-06 deg M 251.0567149132992 8.2822e-06 deg tp 2459766.960284942683 (2022-Jul-06.46028494) 4.5557e-05 TDB period 1871.851967903068 5.12 1.5506e-05 4.245e-08 d yr n .1923229006208691 1.5931e-09 deg/d Q 3.334683047251899 1.8416e-08 au   Orbit Determination Parameters    # obs. used (total)      1794      data-arc span      9007 days (24.66 yr)      first obs. used      1996-06-20      last obs. used      2021-02-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .51465      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 01:01:58   Additional Information  Earth MOID = 1.61977 au   Jupiter MOID = 2.12759 au   T_jup = 3.230  [ 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 13.28   n/a E2021B10   diameter diameter 7.719 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.205   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15550 Sydney           Discovered 2000 Mar. 31 by J. Broughton at Reedy Creek Observatory. Australia's largest city, Sydney is also the birthplace of the discoverer of this minor planet. Established by the British in 1788, Sydney was the first European settlement in Australasia and is famous for its magnificent opera house, harbor, sandy beaches and as host city of the 2000 Olympics. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20010509/MPCPages.arc Last Updated: 2009-05-11 Alternate Designations  2000 FR10 = 1999 CM67  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-22 03:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin