+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   14457 (1993 FR23) Classification: Main-belt Asteroid          SPK-ID: 2014457 [ 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 34 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2053600771046423 3.8978e-08   a 2.293278366016754 7.9839e-09 au q 1.822330543949145 8.7876e-08 au i 6.366101802595497 4.7249e-06 deg node 359.5913370766621 2.9923e-05 deg peri 23.97207986907094 3.1736e-05 deg M 103.546179168202 1.0178e-05 deg tp 2458635.649315489454 (2019-Jun-01.14931549) 3.5482e-05 TDB period 1268.479894467528 3.47 6.6242e-06 1.814e-08 d yr n .2838042617546713 1.4821e-09 deg/d Q 2.764226188084363 9.6235e-09 au   Orbit Determination Parameters    # obs. used (total)      1826      data-arc span      15585 days (42.67 yr)      first obs. used      1977-10-13      last obs. used      2020-06-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .4994      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 02:39:49   Additional Information  Earth MOID = .827391 au   Jupiter MOID = 2.70601 au   T_jup = 3.560  [ 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 14.1   n/a MPO350918   diameter diameter 3.450 km 0.527 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.409   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   14457 (1993 FR23)          Discovered 1993-Mar-21 by UESAC at La Silla Reference: 20000418/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1993 FR23 = 1977 TA4 = 1984 WG2  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 21:58 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin