+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   58223 (1993 FO18) Classification: Main-belt Asteroid          SPK-ID: 2058223 [ 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 18 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1813682782602562 5.3703e-08   a 3.007428691429056 2.6524e-08 au q 2.461976527674073 1.6708e-07 au i 14.6299525482186 5.8903e-06 deg node 36.14057152199813 2.2334e-05 deg peri 277.7368540575005 2.7774e-05 deg M 326.37708369462 2.1241e-05 deg tp 2459178.419813081484 (2020-Nov-24.91981308) 0.00011377 TDB period 1904.984449522162 5.22 2.5202e-05 6.9e-08 d yr n .188977920575835 2.5001e-09 deg/d Q 3.552880855184039 3.1335e-08 au   Orbit Determination Parameters    # obs. used (total)      611      data-arc span      9968 days (27.29 yr)      first obs. used      1993-03-17      last obs. used      2020-07-01      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53933      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 22:51:52   Additional Information  Earth MOID = 1.502 au   Jupiter MOID = 1.98441 au   T_jup = 3.177  [ 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 14.6   n/a MPO344729   diameter diameter 7.752 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.026   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   58223 (1993 FO18)          Discovered 1993-Mar-17 by UESAC at La Silla Reference: 20030614/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 FO18 = 2000 SO85  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-20 11:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin