+ View the NASA Portal + Near-Earth Object (NEO) Program Search JPL JPL Small-Body Database Browser Search: [ help ]   (2007 TU24) Classification: Apollo [NEO, PHA]          SPK-ID: 3388315 [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2456400.5 (2013-Apr-18.0) TDB Reference: JPL 78 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .5345150275136001 2.0619e-08   a 2.042495913654333 8.636e-08 AU q .9507511541709714 1.6866e-08 AU i 5.623106924288819 2.2922e-06 deg node 127.0441683681982 1.8225e-06 deg peri 334.2309051634882 5.6897e-06 deg M 290.3735865301806 4.1479e-05 deg tp 2456606.710960618899 (2013-Nov-10.21096062) 0.00013592 JED period 1066.203788523192 2.92 6.7621e-05 1.851e-07 d yr n .337646521120169 2.1414e-08 deg/d Q 3.134240673137695 1.3252e-07 AU   Orbit Determination Parameters    # obs. used (total)      665      # delay obs. used      4      # Doppler obs. used      7      data-arc span      1093 days (2.99 yr)      first obs. used      2007-10-11      last obs. used      2010-10-08      planetary ephem.      DE405      SB-pert. ephem.      SB405-CPV-2      condition code      0      fit RMS      .40196      data source      ORB      producer      Otto Matic      solution date      2011-Sep-14 20:20:42   Additional Information  Earth MOID = .000175627 AU   T_jup = 3.601  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 20.295 mag .61081 78 autocmod 2.5a rotation period rot_per 26. 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: [Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm] [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ] 2013-Jun-20 06:36 UT (server date/time)   Site Manager:   Donald K. Yeomans Webmaster:   Alan B. Chamberlin