+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   117581 Devinschrader (2005 EG37) Classification: Main-belt Asteroid          SPK-ID: 2117581 [ 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 13 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1825784372404626 3.8554e-08   a 2.324730621692178 9.9198e-09 au q 1.900284937778571 8.999e-08 au i 3.281356783252058 5.7009e-06 deg node 348.6178781540168 6.9591e-05 deg peri 123.26758231468 7.1565e-05 deg M 157.8167947830373 1.5618e-05 deg tp 2458432.944810305390 (2018-Nov-10.44481031) 5.5144e-05 TDB period 1294.664921885871 3.54 8.2866e-06 2.269e-08 d yr n .2780642264375301 1.7798e-09 deg/d Q 2.749176305605785 1.1731e-08 au   Orbit Determination Parameters    # obs. used (total)      627      data-arc span      7701 days (21.08 yr)      first obs. used      1998-03-29      last obs. used      2019-04-29      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .53657      source      ORB      producer      Otto Matic      solution date      2019-Jul-14 02:46:32   Additional Information  Earth MOID = .919171 au   Jupiter MOID = 2.36079 au   T_jup = 3.550  [ 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 16.3   n/a MPO469216   117581 Devinschrader           Discovered 2005 Mar. 4 by Mt. Lemmon Survey at Mount Lemmon. Devin Schrader (b. 1984) is a meteoriticist and cosmochemist, and is Assistant Director of the Center for Meteorite Studies at Arizona State University. He is a Science Team Collaborator with the Carbonaceous Meteorite Working Group for the OSIRIS-REx Asteroid Sample Return Mission 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 2018-05-29 Last Updated: 2018-07-10 [ show close-approach data ] Alternate Designations  2005 EG37 = 2003 ST11  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Aug-14 17:59 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin