+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1301759437192425 3.477e-08   a 2.284956058746944 1.016e-08 au q 1.98750974744256 8.1784e-08 au i 5.269102217881453 4.2826e-06 deg node 225.8507146704153 4.1698e-05 deg peri 280.9504596525709 4.5654e-05 deg M 39.6239747850063 1.689e-05 deg tp 2459061.642051783693 (2020-Jul-31.14205178) 5.9152e-05 TDB period 1261.581192424598 3.45 8.4145e-06 2.304e-08 d yr n .2853561880612106 1.9033e-09 deg/d Q 2.582402370051329 1.1483e-08 au   Orbit Determination Parameters    # obs. used (total)      537      data-arc span      10717 days (29.34 yr)      first obs. used      1991-10-10      last obs. used      2021-02-11      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56947      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 16:56:05   Additional Information  Earth MOID = 1.00682 au   Jupiter MOID = 2.44286 au   T_jup = 3.586  [ 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 16.54   n/a E2021B55   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 ] 2021-Apr-16 12:03 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin