+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   233742 (2008 SB272) Classification: Main-belt Asteroid          SPK-ID: 2233742 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1958586265268918 4.5468e-08   a 2.669669107174425 2.2607e-08 au q 2.146791382561969 1.2702e-07 au i 12.94002578702266 4.1999e-06 deg node 150.1053578374759 2.6176e-05 deg peri 209.3077431634148 3.0794e-05 deg M 265.2998709672763 1.9905e-05 deg tp 2459419.614465756467 (2021-Jul-24.11446576) 9.2031e-05 TDB period 1593.252398000333 4.36 2.0238e-05 5.541e-08 d yr n .225952900150554 2.8701e-09 deg/d Q 3.192546831786882 2.7035e-08 au   Orbit Determination Parameters    # obs. used (total)      292      data-arc span      7645 days (20.93 yr)      first obs. used      1999-08-12      last obs. used      2020-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61126      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 01:51:45   Additional Information  Earth MOID = 1.151 au   Jupiter MOID = 2.26595 au   T_jup = 3.318  [ hide covariance matrix ] Orbital Elements at Epoch 2457922.5 (2017-Jun-18.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1957180073354785 4.5486e-08   q 2.147520547302247 1.27e-07 au tp 2457827.813358253664 (2017-Mar-15.31335825) 7.8103e-05 TDB node 150.1204177553437 2.6183e-05 deg peri 209.5501238092293 3.0804e-05 deg i 12.93790256914695 4.1991e-06 deg   Orbit Determination Parameters    # obs. used (total)      292      data-arc span      7645 days (20.93 yr)      first obs. used      1999-08-12      last obs. used      2020-07-17      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .61126      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 01:51:45   Additional Information  Jupiter MOID = 2.26595 au   T_jup = 3.318  Orbit Covariance (6×6)   e q tp node peri i e 2.068997625461595E-15 -5.720146207951696E-15 -1.134995594100777E-13 -3.628861517097925E-15 5.516043158470844E-14 2.590062609377168E-15 q -5.720146207951696E-15 1.612797333167902E-14 1.190433815426132E-12 1.253279572587129E-14 2.984345947591901E-14 -3.410552327254668E-15 tp -1.134995594100777E-13 1.190433815426132E-12 6.100025425582818E-9 -1.64585283895806E-11 1.315401479262372E-9 1.845594775142506E-11 node -3.628861517097925E-15 1.253279572587129E-14 -1.64585283895806E-11 6.85523412681583E-10 -6.712751390087265E-10 1.996497369356048E-12 peri 5.516043158470844E-14 2.984345947591901E-14 1.315401479262372E-9 -6.712751390087265E-10 9.48893085452255E-10 1.978434166927659E-12 i 2.590062609377168E-15 -3.410552327254668E-15 1.845594775142506E-11 1.996497369356048E-12 1.978434166927659E-12 1.763280691347454E-11 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 15.6   n/a MPO437098   233742 (2008 SB272)          Discovered 2008-Sep-29 by CSS at Catalina Reference: 20100228/Numbers.arc Last Updated: 2010-03-03 Alternate Designations  2008 SB272 = 2007 LJ  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-23 12:27 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin