+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   3552 Don Quixote (1983 SA) Classification: Amor [NEO]          SPK-ID: 2003552 [ 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 119 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .713057182980361 4.097e-08   a 4.22211686971472 1.1501e-08 AU q 1.211506108382082 1.7372e-07 AU i 30.95990597417811 1.1745e-05 deg node 350.3062121917702 1.7759e-05 deg peri 317.0539130239989 1.8644e-05 deg M 149.8123795387838 3.2567e-06 deg tp 2455081.821261037482 (2009-Sep-07.32126104) 2.5715e-05 JED period 3168.792508923529 8.68 1.2947e-05 3.545e-08 d yr n .1136079433999595 4.6419e-10 deg/d Q 7.232727631047358 1.9702e-08 AU   Orbit Determination Parameters    # obs. used (total)      618      data-arc span      10393 days (28.45 yr)      first obs. used      1983-09-10      last obs. used      2012-02-23      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .5647      data source      ORB      producer      Otto Matic      solution date      2013-Apr-29 15:43:24   Additional Information  Earth MOID = .303853 AU   T_jup = 2.316  [ 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 13.0 mag n/a PDS3 (MPC 17269)   diameter diameter 19.0 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   rotation period rot_per 7.7 h n/a Asteroid Lightcurve DataBase (Rev. 2013-May-01) Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Weidenschilling, S.J.; Chapman, C.R.; Davis, D.R.; Greenberg, R.; et al. (1990) Icarus 86, 402-447.] geometric albedo albedo 0.03   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543   Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices SMASSII spectral type spec_B D   n/a Binzel et al. (2004) Icarus 170, 259-294   3552 Don Quixote (1983 SA)          Discovered 1983-Sep-26 by Wild, P. at Zimmerwald 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-May-23 17:08 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin