+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   118185 (1993 FF29) Classification: Main-belt Asteroid          SPK-ID: 2118185 [ 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 16 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1302889639975559 3.5304e-08   a 2.285263286806688 1.0265e-08 au q 1.987518700706995 8.319e-08 au i 5.268940396363542 4.289e-06 deg node 225.8560076955245 4.2061e-05 deg peri 280.9779724481419 4.5989e-05 deg M 342.5308454319434 1.6863e-05 deg tp 2459061.731116371426 (2020-Jul-31.23111637) 5.9118e-05 TDB period 1261.835643381427 3.45 8.502e-06 2.328e-08 d yr n .2852986455789784 1.9223e-09 deg/d Q 2.583007872906381 1.1603e-08 au   Orbit Determination Parameters    # obs. used (total)      530      data-arc span      10340 days (28.31 yr)      first obs. used      1991-10-10      last obs. used      2020-01-31      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .57169      source      ORB      producer      Otto Matic      solution date      2020-Feb-24 05:55:12   Additional Information  Earth MOID = 1.00697 au   Jupiter MOID = 2.44308 au   T_jup = 3.585  [ 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 16.5   n/a MPO453652   diameter diameter 1.438 km 0.358 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.235   0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   118185 (1993 FF29)          Discovered 1993-Mar-21 by UESAC at La Silla Reference: 20051116/Numbers.arc Last Updated: 2005-11-21 [ show close-approach data ] Alternate Designations  1993 FF29 = 2000 GR102  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-29 23:17 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin