+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .03332196357832837 5.4483e-08   a 2.780699134643534 2.5005e-08 au q 2.688040779356653 1.5572e-07 au i 3.044573660107213 5.802e-06 deg node 95.34101328540338 0.00011383 deg peri 355.5371412316017 0.00015251 deg M 200.2761392439663 0.00010468 deg tp 2459951.944184693469 (2023-Jan-07.44418469) 0.00049762 TDB period 1693.672474539342 4.64 2.2845e-05 6.255e-08 d yr n .212555854459355 2.8671e-09 deg/d Q 2.873357489930415 2.5838e-08 au   Orbit Determination Parameters    # obs. used (total)      361      data-arc span      7504 days (20.54 yr)      first obs. used      2000-01-04      last obs. used      2020-07-21      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53838      source      ORB      producer      Otto Matic      solution date      2020-Nov-12 16:11:34   Additional Information  Earth MOID = 1.70433 au   Jupiter MOID = 2.17889 au   T_jup = 3.330  [ 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 15.93   n/a E2021B55   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 ] 2021-Apr-10 12:46 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin