+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   17146 (1999 JB102) Classification: Main-belt Asteroid          SPK-ID: 2017146 [ 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 .02153358784484307 4.6397e-08   a 3.000990404614742 1.593e-08 au q 2.936368314115439 1.4086e-07 au i 14.8234263835419 5.0122e-06 deg node 147.2164959947961 1.7926e-05 deg peri 70.39545901642526 0.00010932 deg M 44.85429960017707 0.0001072 deg tp 2458763.909710393165 (2019-Oct-07.40971039) 0.00056579 TDB period 1898.870454285818 5.20 1.5119e-05 4.139e-08 d yr n .1895863928934526 1.5095e-09 deg/d Q 3.065612495114044 1.6273e-08 au   Orbit Determination Parameters    # obs. used (total)      1678      data-arc span      9057 days (24.80 yr)      first obs. used      1995-08-30      last obs. used      2020-06-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50498      source      ORB      producer      Otto Matic      solution date      2020-Jun-23 18:07:00   Additional Information  Earth MOID = 1.96723 au   Jupiter MOID = 1.95321 au   T_jup = 3.202  [ 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 MPO473995   diameter diameter 11.152 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.090   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   17146 (1999 JB102)          Discovered 1999-May-13 by LINEAR at Socorro Reference: 20000913/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1999 JB102 = 1998 CP3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Jul-05 14:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin