+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   351048 (2003 SQ240) Classification: Main-belt Asteroid          SPK-ID: 2351048 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09493151836329763 6.5811e-08   a 2.608735780817169 2.6024e-08 au q 2.361084532135532 1.7539e-07 au i .6705372212219001 6.9367e-06 deg node 287.8281952879643 0.00066464 deg peri 170.4195066467099 0.000666 deg M 263.123697030934 4.3577e-05 deg tp 2459414.650915009257 (2021-Jul-19.15091501) 0.00018861 TDB period 1539.01753921122 4.21 2.3029e-05 6.305e-08 d yr n .2339154628377451 3.5002e-09 deg/d Q 2.856387029498806 2.8494e-08 au   Orbit Determination Parameters    # obs. used (total)      140      data-arc span      6731 days (18.43 yr)      first obs. used      1999-11-10      last obs. used      2018-04-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62321      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 11:44:50   Additional Information  Earth MOID = 1.37795 au   Jupiter MOID = 2.26376 au   T_jup = 3.404  [ hide covariance matrix ] Orbital Elements at Epoch 2456664.5 (2014-Jan-07.0) TDB Reference: JPL 9 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09435620119261602 6.607e-08   q 2.362901631014664 1.7616e-07 au tp 2456328.000082293599 (2013-Feb-04.50008229) 0.0001768 TDB node 288.0857607438251 0.00066784 deg peri 168.6945196686205 0.0006692 deg i .668452212399216 6.9247e-06 deg   Orbit Determination Parameters    # obs. used (total)      140      data-arc span      6731 days (18.43 yr)      first obs. used      1999-11-10      last obs. used      2018-04-15      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .62321      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 11:44:50   Additional Information  Jupiter MOID = 2.26376 au   T_jup = 3.404  Orbit Covariance (6×6)   e q tp node peri i e 4.365300452670172E-15 -1.153485257531547E-14 -3.925896415156803E-12 -3.90646975618011E-14 -9.633805748737708E-13 -9.019661487746499E-17 q -1.153485257531547E-14 3.103073647118449E-14 1.095697258130644E-11 1.131478885627056E-13 2.704611765052452E-12 1.998442469970436E-16 tp -3.925896415156803E-12 1.095697258130644E-11 3.1259431059251E-8 1.088966033544926E-10 7.619162672933819E-9 -9.408537912612659E-13 node -3.90646975618011E-14 1.131478885627056E-13 1.088966033544926E-10 4.460057331187009E-7 -4.459470043735092E-7 -1.017281556181652E-9 peri -9.633805748737708E-13 2.704611765052452E-12 7.619162672933819E-9 -4.459470043735092E-7 4.478265390919226E-7 1.016978909881717E-9 i -9.019661487746499E-17 1.998442469970436E-16 -9.408537912612659E-13 -1.017281556181652E-9 1.016978909881717E-9 4.79514861682574E-11 [ 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 17.6   n/a MPO446571   351048 (2003 SQ240)          Discovered 2003-Sep-27 by Spacewatch at Kitt Peak Reference: 20130127/Numbers.arc Last Updated: 2013-01-31 [ show close-approach data ] Alternate Designations  2003 SQ240 = 2008 YW94  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Sep-21 14:22 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin