+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1358233196461298 4.4881e-08   a 3.175112564917914 2.4091e-08 au q 2.743858236100625 1.4967e-07 au i 13.45902455543968 4.7092e-06 deg node 188.0663772086858 1.8614e-05 deg peri 324.7837116365505 2.7823e-05 deg M 351.7372811026293 1.7779e-05 deg tp 2459247.930488116606 (2021-Feb-02.43048812) 0.000102 TDB period 2066.508123302051 5.66 2.352e-05 6.439e-08 d yr n .1742069125887393 1.9827e-09 deg/d Q 3.606366893735203 2.7364e-08 au   Orbit Determination Parameters    # obs. used (total)      614      data-arc span      10223 days (27.99 yr)      first obs. used      1993-03-19      last obs. used      2021-03-15      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .49275      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 15:30:39   Additional Information  Earth MOID = 1.76428 au   Jupiter MOID = 1.43216 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 15.03   n/a E2021B55   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 ] 2021-Apr-18 13:21 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin