+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   187226 (2005 SH141) Classification: Main-belt Asteroid          SPK-ID: 2187226 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 19 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03987077805064447 3.9494e-08   a 2.727752576547893 1.6447e-08 au q 2.618994958991278 1.0594e-07 au i 3.584021262026966 4.9722e-06 deg node 144.921771834373 7.4981e-05 deg peri 302.3920693744264 0.00011007 deg M 65.81254555325094 7.7818e-05 deg tp 2458899.676280155150 (2020-Feb-20.17628016) 0.00035581 TDB period 1645.530319998333 4.51 1.4883e-05 4.075e-08 d yr n .2187744556419749 1.9786e-09 deg/d Q 2.836510194104507 1.7103e-08 au   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      7026 days (19.24 yr)      first obs. used      2001-12-17      last obs. used      2021-03-13      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .56991      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 21:54:31   Additional Information  Earth MOID = 1.63726 au   Jupiter MOID = 2.23297 au   T_jup = 3.352  [ show covariance matrix ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] Physical Parameter Table Parameter Symbol Value Units Sigma Reference Notes absolute magnitude H 16.53   n/a E2021B55   187226 (2005 SH141)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak Reference: 20080520/Numbers.arc Last Updated: 2008-05-22 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2021-Apr-14 21:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin