+ 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 2459000.5 (2020-May-31.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1636795414303931 4.1126e-08   a 3.138962531154387 2.1148e-08 au q 2.625178583487851 1.2939e-07 au i 18.23290243797323 4.6303e-06 deg node 177.1716044560982 1.6332e-05 deg peri 9.714733427390723 2.3189e-05 deg M 297.7322008546528 1.7843e-05 deg tp 2459351.848933416586 (2021-May-17.34893342) 0.00010267 TDB period 2031.316631807155 5.56 2.0528e-05 5.62e-08 d yr n .1772249556583048 1.791e-09 deg/d Q 3.652746478820923 2.461e-08 au   Orbit Determination Parameters    # obs. used (total)      624      data-arc span      7696 days (21.07 yr)      first obs. used      1999-03-19      last obs. used      2020-04-13      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50953      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 19:58:39   Additional Information  Earth MOID = 1.62918 au   Jupiter MOID = 1.30722 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 14.7   n/a MPO426639   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 ] 2020-Dec-06 02:16 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin