+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   18788 Carriemiller (1999 JX53) Classification: Main-belt Asteroid          SPK-ID: 2018788 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 28 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1216749537292563 4.3318e-08   a 2.395270535554708 1.0216e-08 au q 2.103826103972038 1.0358e-07 au i 5.589096917210582 4.5654e-06 deg node 82.51719090137863 4.057e-05 deg peri 315.0491478407509 4.331e-05 deg M 140.1952880912464 1.5997e-05 deg tp 2458673.195834812884 (2019-Jul-08.69583481) 5.931e-05 TDB period 1354.036230831174 3.71 8.6623e-06 2.372e-08 d yr n .2658717631056403 1.7009e-09 deg/d Q 2.686714967137378 1.1459e-08 au   Orbit Determination Parameters    # obs. used (total)      1328      data-arc span      15446 days (42.29 yr)      first obs. used      1978-11-30      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .53948      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 02:37:59   Additional Information  Earth MOID = 1.11491 au   Jupiter MOID = 2.69828 au   T_jup = 3.513  [ 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 14.73   n/a E2021B10   diameter diameter 2.699 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.384   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   18788 Carriemiller           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Carrie Anna Miller (b. 1985) was awarded third place in the 2003 Intel International Science and Engineering Fair for her environmental science project. She attends the Palm Bay High School, Melbourne, Florida, 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: 20040830/MPCPages.arc Last Updated: 2004-09-06 Alternate Designations  1999 JX53 = 1978 WB19  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-19 09:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin