+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   (2001 SQ3) Classification: Apollo [NEO, PHA]          SPK-ID: 3082923 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2545535825815696 2.0051e-07   a 1.110217599846365 2.8182e-09 au q .8276077323603609 2.2393e-07 au i 23.89617782979236 4.388e-05 deg node 356.1670467747277 6.6515e-06 deg peri 268.1954313406902 2.9953e-05 deg M 59.99796730193766 1.5969e-05 deg tp 2458929.289403331927 (2020-Mar-20.78940333) 1.9001e-05 TDB period 427.2780554630261 1.17 1.6269e-06 4.454e-09 d yr n .842542684786095 3.2081e-09 deg/d Q 1.392827467332368 3.5356e-09 au   Orbit Determination Parameters    # obs. used (total)      126      data-arc span      4518 days (12.37 yr)      first obs. used      2001-09-17      last obs. used      2014-01-30      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56538      source      ORB      producer      Otto Matic      solution date      2017-Apr-06 09:16:08   Additional Information  Earth MOID = .0290306 au   Jupiter MOID = 3.78138 au   T_jup = 5.504  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 21.6   n/a MPO145879   rotation period rot_per 0.06248 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Whiteley, R.J.; Hergenrother, C.W.; Tholen, D.J. (2002) Proc. ACM 2002, 473-480.] [Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.] [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ] 2021-Jan-18 18:25 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin