+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 31 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1336802076971599 3.7885e-08   a 2.482943091121712 7.8756e-09 au q 2.151022743000333 9.4312e-08 au i 6.657311858882259 3.6133e-06 deg node 168.7932142346483 2.8483e-05 deg peri 124.2160964435603 3.0954e-05 deg M 46.66134753026599 1.0887e-05 deg tp 2459015.273401588698 (2020-Jun-14.77340159) 4.3541e-05 TDB period 1429.053787716202 3.91 6.7991e-06 1.861e-08 d yr n .2519149405672986 1.1986e-09 deg/d Q 2.814863439243091 8.9284e-09 au   Orbit Determination Parameters    # obs. used (total)      2108      data-arc span      24205 days (66.27 yr)      first obs. used      1954-10-31      last obs. used      2021-02-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48291      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:46:58   Additional Information  Earth MOID = 1.14166 au   Jupiter MOID = 2.38232 au   T_jup = 3.456  [ 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 14.18   n/a E2021B10   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 ] 2021-Apr-22 04:12 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin