+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   100111 (1993 FA51) Classification: Main-belt Asteroid          SPK-ID: 2100111 [ 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 22 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1358829447679813 4.8718e-08   a 3.175096877101085 3.2512e-08 au q 2.743655363516968 1.6926e-07 au i 13.45841125583198 5.2096e-06 deg node 188.0743212242253 2.22e-05 deg peri 324.8271106369221 3.1312e-05 deg M 316.858920389282 2.2204e-05 deg tp 2459248.140918711941 (2021-Feb-02.64091871) 0.00012875 TDB period 2066.492807800535 5.66 3.174e-05 8.69e-08 d yr n .1742082036971447 2.6757e-09 deg/d Q 3.606538390685202 3.6929e-08 au   Orbit Determination Parameters    # obs. used (total)      456      data-arc span      9830 days (26.91 yr)      first obs. used      1993-03-19      last obs. used      2020-02-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .51848      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 20:07:58   Additional Information  Earth MOID = 1.76427 au   Jupiter MOID = 1.4328 au   T_jup = 3.144  [ 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 14.9   n/a MPO412739   diameter diameter 6.098 km 0.198 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.057   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   100111 (1993 FA51)          Discovered 1993-Mar-19 by UESAC at La Silla Reference: 20051019/Numbers.arc Last Updated: 2005-10-26 [ show close-approach data ] Alternate Designations  1993 FA51 = 2004 FE2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Dec-02 01:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin