+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   134135 Steigerwald (2005 AY24) Classification: Main-belt Asteroid          SPK-ID: 2134135 [ 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 12 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03416145660389582 5.468e-08   a 2.778495607017192 2.7579e-08 au q 2.683578149913959 1.5639e-07 au i 3.045373964004324 5.8343e-06 deg node 95.34108927522887 0.00013769 deg peri 355.1645978680478 0.00017662 deg M 158.1379413273118 0.00011104 deg tp 2458257.401168184332 (2018-May-18.90116818) 0.00051928 TDB period 1691.65968146721 4.63 2.5187e-05 6.896e-08 d yr n .2128087604994906 3.1685e-09 deg/d Q 2.873413064120425 2.8521e-08 au   Orbit Determination Parameters    # obs. used (total)      338      data-arc span      7029 days (19.24 yr)      first obs. used      2000-01-04      last obs. used      2019-04-03      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .5579      source      ORB      producer      Otto Matic      solution date      2019-Jul-13 23:52:33   Additional Information  Earth MOID = 1.70014 au   Jupiter MOID = 2.18223 au   T_jup = 3.331  [ show covariance matrix ] [ 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 15.9   n/a MPO241065   134135 Steigerwald           Discovered 2005 Jan. 7 by the Catalina Sky Survey. William Steigerwald (b. 1967) worked on the OSIRIS-REx Asteroid Sample Return Mission as a science writer. He has worked for over 19 years as a writer for a wide range of NASA missions in planetary science, astrobiology, astrophysics and heliophysics NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC batch dated 2016-11-14 Last Updated: 2016-11-20 [ show close-approach data ] [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-31 14:28 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin