+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   101758 (1999 FL29) Classification: Main-belt Asteroid          SPK-ID: 2101758 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1635554493606287 3.9402e-08   a 3.138779697435151 1.7684e-08 au q 2.625415173577127 1.2643e-07 au i 18.23433778670886 4.4914e-06 deg node 177.1654896696915 1.4255e-05 deg peri 9.704740069441051 2.0103e-05 deg M 333.1808089681217 1.3982e-05 deg tp 2459351.815303076823 (2021-May-17.31530308) 7.932e-05 TDB period 2031.139158631109 5.56 1.7165e-05 4.7e-08 d yr n .1772404408975221 1.4978e-09 deg/d Q 3.652144221293176 2.0576e-08 au   Orbit Determination Parameters    # obs. used (total)      750      data-arc span      8032 days (21.99 yr)      first obs. used      1999-03-19      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48787      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:38:27   Additional Information  Earth MOID = 1.62891 au   Jupiter MOID = 1.3068 au   T_jup = 3.113  [ 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 14.75   n/a E2021B55   diameter diameter 3.090 km 0.716 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.293   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   101758 (1999 FL29)          Discovered 1999-Mar-19 by LINEAR at Socorro Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1999 FL29 = 2001 SD197  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Apr-21 15:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin