+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   11229 Brookebowers (1999 JX52) Classification: Main-belt Asteroid          SPK-ID: 2011229 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB Reference: JPL 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1523441648746282 1.1108e-08   a 2.239607264922114 4.8813e-09 au q 1.898416166500405 2.4902e-08 au i 3.6283080375648 8.4392e-07 deg node 95.04023696936402 1.2415e-05 deg peri 260.3091930534821 1.253e-05 deg M 113.3453702001498 6.0356e-06 deg tp 2459011.059352006263 (2020-Jun-10.55935201) 2.0483e-05 TDB period 1224.210861305757 3.35 4.0023e-06 1.096e-08 d yr n .2940669874600034 9.6138e-10 deg/d Q 2.580798363343824 5.6249e-09 au   Orbit Determination Parameters    # obs. used (total)      2318      data-arc span      13667 days (37.42 yr)      first obs. used      1983-10-09      last obs. used      2021-03-10      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .47677      source      ORB      producer      Otto Matic      solution date      2021-Jul-08 16:31:27   Additional Information  Earth MOID = .896894 au   Jupiter MOID = 2.85187 au   T_jup = 3.618  [ 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 14.50   n/a MPCxxxxx   diameter diameter 3.507 km 0.996 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   geometric albedo albedo 0.274   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)   11229 Brookebowers           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Brooke Nacole Bowers (b. 1986) is a finalist in the 2002 Intel International Science and Engineering Fair for her zoology project. She attends the Tuscarawas Valley High School, Dover, Ohio, U.S.A. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20020724/MPCPages.arc Last Updated: 2003-10-02 Alternate Designations  1999 JX52 = 1983 TK2 = 1993 SE16  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jul-25 14:08 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin