+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   163243 (2002 FB3) Classification: Aten [NEO, PHA]          SPK-ID: 2163243 [ 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 213 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .6016951060207131 4.2842e-07   a .7616039900046534 3.0605e-09 au q .3033505964930054 3.2681e-07 au i 20.27821699956797 2.937e-05 deg node 203.5872613241524 5.8049e-05 deg peri 148.31081368 4.9878e-05 deg M 193.2460866297662 6.0514e-05 deg tp 2459312.951635639837 (2021-Apr-08.45163564) 4.0793e-05 TDB period 242.7684485008769 0.66 1.4633e-06 4.006e-09 d yr n 1.482894512128909 8.9385e-09 deg/d Q 1.219857383516301 4.902e-09 au   Orbit Determination Parameters    # obs. used (total)      918      data-arc span      6844 days (18.74 yr)      first obs. used      2002-03-18      last obs. used      2020-12-12      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48156      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 20:13:43   Additional Information  Earth MOID = .00385825 au   Jupiter MOID = 4.25752 au   T_jup = 7.405  [ 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 16.52   n/a E2021B55   diameter diameter 1.682 km 0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   rotation period rot_per 6.231 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al (2017) Minor Planet Bull. 44, 20-22.] [Monteiro, F.; Silva, J.S.; Lazzaro, D.; Arcoverde, P.; et al. (2018) Plan. Space Sci. 164, 54-74.] geometric albedo albedo 0.172   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)   163243 (2002 FB3)          Discovered 2002-Mar-18 by LINEAR at Socorro Reference: 20070926/Numbers.arc Last Updated: 2007-09-30 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-23 09:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin