+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 35 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2055216770013486 3.8758e-08   a 2.292954230784595 7.9437e-09 au q 1.821702431986408 8.7421e-08 au i 6.366803646369529 4.7143e-06 deg node 359.5899627677955 2.9679e-05 deg peri 23.95186676072312 3.1448e-05 deg M 160.3288951679347 1.0183e-05 deg tp 2458635.692045016334 (2019-Jun-01.19204502) 3.5202e-05 TDB period 1268.210970836811 3.47 6.5904e-06 1.804e-08 d yr n .2838644423352206 1.4751e-09 deg/d Q 2.764206029582783 9.5763e-09 au   Orbit Determination Parameters    # obs. used (total)      1838      data-arc span      15802 days (43.26 yr)      first obs. used      1977-10-13      last obs. used      2021-01-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .50071      source      ORB      producer      Otto Matic      solution date      2021-Feb-24 02:18:14   Additional Information  Earth MOID = .82544 au   Jupiter MOID = 2.7072 au   T_jup = 3.561  [ 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 14.13   n/a E2021B10   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-Feb-27 20:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin