+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   102534 (1999 UJ5) Classification: Main-belt Asteroid          SPK-ID: 2102534 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .168348625898813 6.3144e-08   a 2.601860809096921 1.6043e-08 au q 2.163841117105481 1.5954e-07 au i 28.95018684597493 7.1544e-06 deg node 339.8418209410964 1.1886e-05 deg peri 28.57415963968581 2.4292e-05 deg M 46.8570698043418 2.0165e-05 deg tp 2459000.975081531668 (2020-May-31.47508153) 8.5362e-05 TDB period 1532.937739140141 4.20 1.4178e-05 3.882e-08 d yr n .2348431973512063 2.172e-09 deg/d Q 3.039880501088361 1.8743e-08 au   Orbit Determination Parameters    # obs. used (total)      1027      data-arc span      7761 days (21.25 yr)      first obs. used      1999-10-20      last obs. used      2021-01-18      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .46223      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 08:31:42   Additional Information  Earth MOID = 1.1789 au   Jupiter MOID = 2.45002 au   T_jup = 3.220  [ 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 14.27   n/a E2021B55   diameter diameter 9.061 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   102534 (1999 UJ5)          Discovered 1999-Oct-29 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 Alternate Designations  1999 UJ5 = 2001 BV49  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Mar-01 11:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin