+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15073 (1999 BK13) Classification: Main-belt Asteroid          SPK-ID: 2015073 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1411818116418563 3.9404e-08   a 3.185928322948433 2.0053e-08 au q 2.736133190553473 1.2947e-07 au i 15.69021625285556 5.0772e-06 deg node 165.314136808112 1.5665e-05 deg peri 253.619829736977 2.4295e-05 deg M 32.76079333790926 1.6837e-05 deg tp 2459011.481489098706 (2020-Jun-10.98148910) 9.7048e-05 TDB period 2077.076193564742 5.69 1.9611e-05 5.369e-08 d yr n .1733205556519123 1.6364e-09 deg/d Q 3.635723455343394 2.2884e-08 au   Orbit Determination Parameters    # obs. used (total)      1633      data-arc span      15099 days (41.34 yr)      first obs. used      1979-09-20      last obs. used      2021-01-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48079      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:21:54   Additional Information  Earth MOID = 1.79631 au   Jupiter MOID = 1.92293 au   T_jup = 3.125  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 13.1   n/a MPO531182   diameter diameter 14.836 km 0.201 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15073 (1999 BK13)          Discovered 1999-Jan-25 by Korlevic, K. at Visnjan Reference: 20000523/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 BK13 = 1979 SZ13  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-13 05:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin