+ 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 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .313601259894962 5.6234e-08   a 2.6934207657153 1.9409e-08 au q 1.848760620159728 1.5943e-07 au i 8.540361691308298 5.8385e-06 deg node 72.86739089778787 3.8842e-05 deg peri 324.3064171095046 4.1265e-05 deg M 119.8307928936908 1.0933e-05 deg tp 2458463.071534948590 (2018-Dec-10.57153495) 4.717e-05 TDB period 1614.562023220113 4.42 1.7452e-05 4.778e-08 d yr n .2229706848189141 2.4101e-09 deg/d Q 3.538080911270871 2.5495e-08 au   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      8019 days (21.95 yr)      first obs. used      1997-02-10      last obs. used      2019-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58123      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 05:40:37   Additional Information  Earth MOID = .864406 au   Jupiter MOID = 1.90843 au   T_jup = 3.283  [ hide covariance matrix ] Orbital Elements at Epoch 2457459.5 (2016-Mar-12.0) TDB Reference: JPL 14 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .3116184848163798 5.5884e-08   q 1.856625490157493 1.5811e-07 au tp 2456846.744799551173 (2014-Jul-08.24479955) 4.7522e-05 TDB node 72.92996121091019 3.8891e-05 deg peri 324.296949080484 4.138e-05 deg i 8.529645531253498 5.8306e-06 deg   Orbit Determination Parameters    # obs. used (total)      314      data-arc span      8019 days (21.95 yr)      first obs. used      1997-02-10      last obs. used      2019-01-25      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .58123      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 05:40:37   Additional Information  Jupiter MOID = 1.90843 au   T_jup = 3.283  Orbit Covariance (6×6)   e q tp node peri i e 3.123017698696874E-15 -8.813566484547563E-15 -4.708554914946775E-13 -2.445786276240546E-14 -2.813568508105234E-13 -2.272161860946872E-14 q -8.813566484547563E-15 2.499849755327385E-14 1.153818998641136E-12 6.572590518510226E-14 7.577261680738028E-13 6.429023678567115E-14 tp -4.708554914946775E-13 1.153818998641136E-12 2.258312410061402E-9 5.403097517568676E-11 6.903404850339426E-10 7.214612692661586E-12 node -2.445786276240546E-14 6.572590518510226E-14 5.403097517568676E-11 1.512548715565524E-9 -1.475946479611755E-9 1.346133319883783E-11 peri -2.813568508105234E-13 7.577261680738028E-13 6.903404850339426E-10 -1.475946479611755E-9 1.712338659660104E-9 -9.605466033794118E-12 i -2.272161860946872E-14 6.429023678567115E-14 7.214612692661586E-12 1.346133319883783E-11 -9.605466033794118E-12 3.399575859689631E-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 ] 2020-Aug-14 12:00 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin