+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   382043 (2011 DU2) Classification: Main-belt Asteroid          SPK-ID: 2382043 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1427671248283611 7.5281e-08   a 2.368384160392659 2.2714e-08 au q 2.030256763324367 1.7995e-07 au i 3.732584844225984 5.9497e-06 deg node 131.1628243602707 0.0001431 deg peri 327.2787167903592 0.00014672 deg M 237.1667377032441 3.8938e-05 deg tp 2459454.744977657029 (2021-Aug-28.24497766) 0.0001487 TDB period 1331.302196968917 3.64 1.9152e-05 5.244e-08 d yr n .2704119326323062 3.8901e-09 deg/d Q 2.70651155746095 2.5957e-08 au   Orbit Determination Parameters    # obs. used (total)      109      data-arc span      8090 days (22.15 yr)      first obs. used      1997-05-10      last obs. used      2019-07-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55328      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:59:18   Additional Information  Earth MOID = 1.04828 au   Jupiter MOID = 2.43786 au   T_jup = 3.530  [ hide covariance matrix ] Orbital Elements at Epoch 2457637.5 (2016-Sep-06.0) TDB Reference: JPL 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1427647421502104 7.5659e-08   q 2.030252256545887 1.8141e-07 au tp 2458120.368554650901 (2018-Jan-01.86855465) 0.0001353 TDB node 131.237416781192 0.0001434 deg peri 326.5653951735642 0.000147 deg i 3.728655230804057 5.944e-06 deg   Orbit Determination Parameters    # obs. used (total)      109      data-arc span      8090 days (22.15 yr)      first obs. used      1997-05-10      last obs. used      2019-07-04      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55328      source      ORB      producer      Otto Matic      solution date      2019-Sep-24 06:59:18   Additional Information  Jupiter MOID = 2.43786 au   T_jup = 3.530  Orbit Covariance (6×6)   e q tp node peri i e 5.724317899458057E-15 -1.36461183660075E-14 -3.223367766049045E-12 2.52827841653318E-14 -1.039790632948645E-12 4.329417753076337E-15 q -1.36461183660075E-14 3.291042870819059E-14 9.425934033282769E-12 -5.825601670067077E-14 2.861348814018035E-12 -1.07519020218438E-14 tp -3.223367766049045E-12 9.425934033282769E-12 1.830551839918714E-8 6.440640997162253E-12 4.477597677018099E-9 -9.737763429456354E-12 node 2.52827841653318E-14 -5.825601670067077E-14 6.440640997162253E-12 2.056315398749879E-8 -2.051921756390247E-8 -3.088373882392001E-10 peri -1.039790632948645E-12 2.861348814018035E-12 4.477597677018099E-9 -2.051921756390247E-8 2.160990428525701E-8 3.056312910424552E-10 i 4.329417753076337E-15 -1.07519020218438E-14 -9.737763429456354E-12 -3.088373882392001E-10 3.056312910424552E-10 3.533106754563015E-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 17.6   n/a MPO434367   382043 (2011 DU2)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak Reference: Last Updated: 2013-12-19 Alternate Designations  2011 DU2 = 2006 WM194 = 2011 CN76  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Sep-21 16:30 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin