+ 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 27 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0403999934372857 5.9547e-08   a 3.044820838208245 1.9854e-08 au q 2.921810096326921 1.7815e-07 au i 15.16384912276866 6.0569e-06 deg node 323.1286791873502 1.4684e-05 deg peri 343.6179017884866 5.3184e-05 deg M 198.4474148014864 5.2836e-05 deg tp 2459871.368241126556 (2022-Oct-18.86824113) 0.00028675 TDB period 1940.622407374788 5.31 1.8981e-05 5.197e-08 d yr n .1855074942100645 1.8144e-09 deg/d Q 3.167831580089568 2.0656e-08 au   Orbit Determination Parameters    # obs. used (total)      1363      data-arc span      7771 days (21.28 yr)      first obs. used      1999-01-13      last obs. used      2020-04-23      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49425      source      ORB      producer      Otto Matic      solution date      2020-May-20 14:05:09   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-Aug-04 23:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin