+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15076 Joellewis (1999 BL25) Classification: Main-belt Asteroid          SPK-ID: 2015076 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 25 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1339523635606245 3.9027e-08   a 2.483980930570682 8.864e-09 au q 2.15124581388122 9.7982e-08 au i 6.655076012010835 3.997e-06 deg node 168.805767309221 3.3294e-05 deg peri 124.3510515942283 3.5916e-05 deg M 356.1670675355278 1.4499e-05 deg tp 2459015.724725791824 (2020-Jun-15.22472579) 5.7594e-05 TDB period 1429.949871504282 3.91 7.6541e-06 2.096e-08 d yr n .2517570770654263 1.3476e-09 deg/d Q 2.816716047260145 1.0051e-08 au   Orbit Determination Parameters    # obs. used (total)      1662      data-arc span      23969 days (65.62 yr)      first obs. used      1954-10-31      last obs. used      2020-06-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51331      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 17:48:03   Additional Information  Earth MOID = 1.1438 au   Jupiter MOID = 2.38217 au   T_jup = 3.455  [ 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 14.2   n/a MPO473970   diameter diameter 3.861 km 0.479 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.298   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15076 Joellewis           Discovered 1999 Jan. 18 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Joel Brewster Lewis (b. 1984) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for his mathematics project. He attended the Stuyvesant High School, New York, New York. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20030216/MPCPages.arc Last Updated: 2011-11-22 [ show close-approach data ] Alternate Designations  1999 BL25 = 1980 FB2 = 1981 QZ3 = 1985 PP1  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-03 13:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin