+ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09493155530225772 5.7713e-08   a 2.608735788894164 2.0636e-08 au q 2.361084443081779 1.616e-07 au i .6705365326228341 4.8876e-06 deg node 287.8285229072352 0.00066031 deg peri 170.4191723248059 0.00066169 deg M 263.1237037980384 4.3339e-05 deg tp 2459414.650888002956 (2021-Jul-19.15088800) 0.00018718 TDB period 1539.017546358726 4.21 1.8261e-05 5e-08 d yr n .2339154617513947 2.7755e-09 deg/d Q 2.85638713470655 2.2595e-08 au   Orbit Determination Parameters    # obs. used (total)      180      data-arc span      7675 days (21.01 yr)      first obs. used      1999-11-10      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60231      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:58:20   Additional Information  Earth MOID = 1.37795 au   Jupiter MOID = 2.26376 au   T_jup = 3.404  [ hide covariance matrix ] Orbital Elements at Epoch 2457566.5 (2016-Jun-27.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09381680507560096 5.7895e-08   q 2.365271346852587 1.6212e-07 au tp 2457868.733177535255 (2017-Apr-25.23317754) 0.00018329 TDB node 288.0637824827348 0.0006637 deg peri 168.894874250122 0.0006651 deg i .6680819408126067 4.8772e-06 deg   Orbit Determination Parameters    # obs. used (total)      180      data-arc span      7675 days (21.01 yr)      first obs. used      1999-11-10      last obs. used      2020-11-14      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60231      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 00:58:20   Additional Information  Jupiter MOID = 2.26376 au   T_jup = 3.404  Orbit Covariance (6×6)   e q tp node peri i e 3.351878030812993E-15 -9.342063929575372E-15 -4.384871458898463E-12 -2.140346626441355E-14 -9.059300666640461E-13 -6.153291268809685E-16 q -9.342063929575372E-15 2.628185603143999E-14 1.255194840519522E-11 6.729650087634559E-14 2.587344350201515E-12 1.794460081554691E-15 tp -4.384871458898463E-12 1.255194840519522E-11 3.35943087407145E-8 8.306082268330597E-11 7.982625710956986E-9 2.650942947738994E-12 node -2.140346626441355E-14 6.729650087634559E-14 8.306082268330597E-11 4.404936970600838E-7 -4.404454920691591E-7 -7.732215502169323E-10 peri -9.059300666640461E-13 2.587344350201515E-12 7.982625710956986E-9 -4.404454920691591E-7 4.423564164647844E-7 7.73781954891531E-10 i -6.153291268809685E-16 1.794460081554691E-15 2.650942947738994E-12 -7.732215502169323E-10 7.73781954891531E-10 2.378663077396396E-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 ] 2021-Jan-23 02:42 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin