+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   74430 (1999 BN10) Classification: Main-belt Asteroid          SPK-ID: 2074430 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .04039999278281763 5.9464e-08   a 3.044820837772694 1.9767e-08 au q 2.921810097901705 1.7797e-07 au i 15.16384911562628 6.0568e-06 deg node 323.1286794165124 1.4538e-05 deg peri 343.6179026065422 5.2947e-05 deg M 198.4474139148682 5.2684e-05 deg tp 2459871.368245719114 (2022-Oct-18.86824572) 0.00028599 TDB period 1940.62240695839 5.31 1.8898e-05 5.174e-08 d yr n .1855074942498688 1.8065e-09 deg/d Q 3.167831577643684 2.0565e-08 au   Orbit Determination Parameters    # obs. used (total)      1374      data-arc span      7799 days (21.35 yr)      first obs. used      1999-01-13      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49314      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 21:43:43   Additional Information  Earth MOID = 1.91022 au   Jupiter MOID = 2.08376 au   T_jup = 3.184  [ 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 13.7   n/a MPO366103   diameter diameter 5.872 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.155   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   74430 (1999 BN10)          Discovered 1999-Jan-24 by Korlevic, K. at Visnjan Reference: 20040415/Numbers.arc Last Updated: 2004-04-19 Alternate Designations  1999 BN10 = 2001 OR15  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Dec-02 01:04 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin