+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   447435 (2006 DH163) Classification: Main-belt Asteroid          SPK-ID: 2447435 [ 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 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2097821838370526 4.5296e-08   a 2.331408709469843 1.6327e-08 au q 1.842320698980535 1.0177e-07 au i 5.326591627158372 6.7345e-06 deg node 331.4241728432623 5.3656e-05 deg peri 103.0372356308766 6.3621e-05 deg M 66.30853963299325 2.3497e-05 deg tp 2458761.006896930528 (2019-Oct-04.50689693) 8.5559e-05 TDB period 1300.247563620153 3.56 1.3658e-05 3.739e-08 d yr n .2768703515180501 2.9084e-09 deg/d Q 2.820496719959151 1.9752e-08 au   Orbit Determination Parameters    # obs. used (total)      131      data-arc span      5088 days (13.93 yr)      first obs. used      2006-02-27      last obs. used      2020-02-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60898      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 11:09:56   Additional Information  Earth MOID = .866061 au   Jupiter MOID = 2.46837 au   T_jup = 3.535  [ hide covariance matrix ] Orbital Elements at Epoch 2457684.5 (2016-Oct-23.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2083983076492886 4.5099e-08   q 1.846209165449593 1.0115e-07 au tp 2457460.096665151714 (2016-Mar-12.59666515) 9.2119e-05 TDB node 331.5316701846269 5.3588e-05 deg peri 102.9229055833122 6.3776e-05 deg i 5.329376306804083 6.7366e-06 deg   Orbit Determination Parameters    # obs. used (total)      131      data-arc span      5088 days (13.93 yr)      first obs. used      2006-02-27      last obs. used      2020-02-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .60898      source      ORB      producer      Otto Matic      solution date      2020-Feb-26 11:09:56   Additional Information  Jupiter MOID = 2.46837 au   T_jup = 3.535  Orbit Covariance (6×6)   e q tp node peri i e 2.033928013017742E-15 -4.528923889546145E-15 -8.15273513344231E-13 -4.20476524035544E-15 -3.289604020650035E-13 -4.142616804528792E-15 q -4.528923889546145E-15 1.023197971543867E-14 1.385162798043106E-12 2.081061558971138E-14 5.845743066250299E-13 8.950813269610684E-15 tp -8.15273513344231E-13 1.385162798043106E-12 8.485934407426689E-9 -2.265283550084652E-10 3.205215086014776E-9 3.189144122392256E-12 node -4.20476524035544E-15 2.081061558971138E-14 -2.265283550084652E-10 2.871629413111142E-9 -2.937245647850209E-9 -1.091651840769521E-11 peri -3.289604020650035E-13 5.845743066250299E-13 3.205215086014776E-9 -2.937245647850209E-9 4.06734223464152E-9 1.198160776578656E-11 i -4.142616804528792E-15 8.950813269610684E-15 3.189144122392256E-12 -1.091651840769521E-11 1.198160776578656E-11 4.538200470949819E-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 18.5   n/a MPO361038   447435 (2006 DH163)          Discovered 2006-Feb-27 by Mt. Lemmon Survey at Mount Lemmon Reference: Last Updated: 2015-10-28 Alternate Designations  2006 DH163 = 2008 US317  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Jan-19 03:32 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin