+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   26156 (1994 WT) Classification: Main-belt Asteroid          SPK-ID: 2026156 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2215222365543907 5.4825e-08   a 2.521077508693602 9.5007e-09 au q 1.962602780440824 1.3876e-07 au i 5.578076812238232 4.7353e-06 deg node 56.90035669560022 3.1236e-05 deg peri 306.8805666875126 3.3159e-05 deg M 224.5433520882465 1.3275e-05 deg tp 2459750.642943941035 (2022-Jun-20.14294394) 5.4923e-05 TDB period 1462.102177131963 4.00 8.2649e-06 2.263e-08 d yr n .2462208220674224 1.3918e-09 deg/d Q 3.07955223694638 1.1605e-08 au   Orbit Determination Parameters    # obs. used (total)      1577      data-arc span      12219 days (33.45 yr)      first obs. used      1986-12-07      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49477      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:30:34   Additional Information  Earth MOID = .965383 au   Jupiter MOID = 2.39137 au   T_jup = 3.415  [ hide covariance matrix ] Orbital Elements at Epoch 2456904.5 (2014-Sep-04.0) TDB Reference: JPL 26 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .2199498074456241 5.4302e-08   q 1.967394478258833 1.3711e-07 au tp 2456821.193125000376 (2014-Jun-12.69312500) 5.1773e-05 TDB node 57.08495500990868 3.1306e-05 deg peri 306.0653073564459 3.3269e-05 deg i 5.571441616067028 4.727e-06 deg   Orbit Determination Parameters    # obs. used (total)      1577      data-arc span      12219 days (33.45 yr)      first obs. used      1986-12-07      last obs. used      2020-05-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .49477      source      ORB      producer      Otto Matic      solution date      2020-Nov-13 01:30:34   Additional Information  Jupiter MOID = 2.39137 au   T_jup = 3.415  Orbit Covariance (6×6)   e q tp node peri i e 2.948692095554953E-15 -7.434460503826437E-15 2.007917880465403E-12 1.25260059292263E-16 3.408188859152805E-13 1.226262769907725E-15 q -7.434460503826437E-15 1.879950780768001E-14 -5.019488332908314E-12 1.247308146052728E-16 -8.4935449493359E-13 -2.941331017362077E-15 tp 2.007917880465403E-12 -5.019488332908314E-12 2.680437866914268E-9 -2.484734586518755E-12 5.772748341360257E-10 -2.010672962647783E-13 node 1.25260059292263E-16 1.247308146052728E-16 -2.484734586518755E-12 9.800957324049089E-10 -9.756164195931717E-10 -7.640043236183182E-12 peri 3.408188859152805E-13 -8.4935449493359E-13 5.772748341360257E-10 -9.756164195931717E-10 1.106806939176458E-9 7.431796555086384E-12 i 1.226262769907725E-15 -2.941331017362077E-15 -2.010672962647783E-13 -7.640043236183182E-12 7.431796555086384E-12 2.234406750600136E-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 14.63   n/a E2020-QM5   26156 (1994 WT)          Discovered 1994-Nov-25 by Kobayashi, T. at Oizumi Reference: 20010705/Numbers.arc Last Updated: 2004-04-19 [ show close-approach data ] Alternate Designations  1994 WT = 1986 XW5 = 1998 XU30  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Mar-03 11:57 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin