+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   413673 (2005 WD34) Classification: Main-belt Asteroid          SPK-ID: 2413673 [ 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 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .313601236472689 5.6085e-08   a 2.693420767555578 1.9229e-08 au q 1.84876068450893 1.5888e-07 au i 8.540366109697588 5.7387e-06 deg node 72.86739393976642 3.8858e-05 deg peri 324.3064432992611 4.1112e-05 deg M 119.830776597735 1.0774e-05 deg tp 2458463.071607483436 (2018-Dec-10.57160748) 4.6273e-05 TDB period 1614.562024874836 4.42 1.729e-05 4.734e-08 d yr n .2229706845903972 2.3877e-09 deg/d Q 3.538080850602227 2.5259e-08 au   Orbit Determination Parameters    # obs. used (total)      326      data-arc span      8443 days (23.12 yr)      first obs. used      1997-02-10      last obs. used      2020-03-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55906      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:25:32   Additional Information  Earth MOID = .864406 au   Jupiter MOID = 1.90843 au   T_jup = 3.283  [ hide covariance matrix ] Orbital Elements at Epoch 2457494.5 (2016-Apr-16.0) TDB Reference: JPL 15 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3117772795695835 5.5739e-08   q 1.855972535590562 1.5753e-07 au tp 2456846.845453233862 (2014-Jul-08.34545323) 4.5876e-05 TDB node 72.91871823269543 3.8903e-05 deg peri 324.2996814171075 4.1213e-05 deg i 8.530684495349073 5.7316e-06 deg   Orbit Determination Parameters    # obs. used (total)      326      data-arc span      8443 days (23.12 yr)      first obs. used      1997-02-10      last obs. used      2020-03-24      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .55906      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 13:25:32   Additional Information  Jupiter MOID = 1.90843 au   T_jup = 3.283  Orbit Covariance (6×6)   e q tp node peri i e 3.106882650529281E-15 -8.758593466059863E-15 -5.264908981107687E-13 -2.41280661481268E-14 -3.019740399115966E-13 -2.123543015433553E-14 q -8.758593466059863E-15 2.481447917861334E-14 1.331751223534474E-12 6.539968600604977E-14 8.221586890339737E-13 6.016906100196182E-14 tp -5.264908981107687E-13 1.331751223534474E-12 2.104622143653944E-9 4.974255837005328E-11 6.424377943240329E-10 6.519026312298675E-12 node -2.41280661481268E-14 6.539968600604977E-14 4.974255837005328E-11 1.513447039844303E-9 -1.478263292725499E-9 1.278348779595722E-11 peri -3.019740399115966E-13 8.221586890339737E-13 6.424377943240329E-10 -1.478263292725499E-9 1.698538106340365E-9 -9.207278224899607E-12 i -2.123543015433553E-14 6.016906100196182E-14 6.519026312298675E-12 1.278348779595722E-11 -9.207278224899607E-12 3.285069191878418E-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 16.7   n/a MPO455946   413673 (2005 WD34)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak Reference: Last Updated: 2014-11-10 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-23 15:26 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin