+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   5604 (1992 FE) Classification: Aten [NEO, PHA]          SPK-ID: 2005604 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 87 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .4052293982158804 5.0824e-08   a .9269221152523881 1.9517e-09 AU q .551306024295672 4.6495e-08 AU i 4.793978435031126 3.6161e-06 deg node 311.9293999504586 5.8043e-05 deg peri 82.48878280875653 5.6521e-05 deg M 322.3174063023804 1.6364e-05 deg tp 2456434.619415278627 (2013-May-22.11941528) 1.4922e-05 JED period 325.9592372772822 0.89 1.0295e-06 2.819e-09 d yr n 1.104432575701975 3.4882e-09 deg/d Q 1.302538206209104 2.7426e-09 AU   Orbit Determination Parameters    # obs. used (total)      335      # delay obs. used      3      # Doppler obs. used      0      data-arc span      9865 days (27.01 yr)      first obs. used      1985-04-17      last obs. used      2012-04-20      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .62568      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:37:43   Additional Information  Earth MOID = .0342769 AU   T_jup = 6.383  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.4 mag n/a PDS3 (MPC 28113)   diameter diameter 0.55 km n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130   rotation period rot_per 5.3375 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Published Reference List: [Higgins, D.; Warner, B.D. (2009) Minor Planet Bul. 36, 159-160.] geometric albedo albedo 0.48   n/a Delbo et al. (2003). Icarus, v. 166, pp. 116-130   SMASSII spectral type spec_B V   n/a Binzel et al. (2004) Icarus 170, 259-294   5604 (1992 FE)          Discovered 1992-Mar-26 by McNaught, R. H. at Siding Spring (413) Reference: DISCOVERY.DB Last Updated: 2003-08-29 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2013-Jun-19 01:40 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin