+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   185638 Erwinschwab (2008 EU7) Classification: Main-belt Asteroid          SPK-ID: 2185638 [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] [ show orbit diagram ] Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB Reference: JPL 11 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1581546838342196 6.533e-08   a 2.382007647508197 1.5172e-08 au q 2.005281981125845 1.5436e-07 au i 2.883387510881755 5.4658e-06 deg node 33.55007060655857 0.00013025 deg peri 134.4455169401944 0.00013109 deg M 120.2503488358198 1.6061e-05 deg tp 2458551.964317625839 (2019-Mar-09.46431763) 5.9135e-05 TDB period 1342.805631900164 3.68 1.283e-05 3.513e-08 d yr n .2680953903139167 2.5615e-09 deg/d Q 2.758733313890549 1.7572e-08 au   Orbit Determination Parameters    # obs. used (total)      237      data-arc span      9053 days (24.79 yr)      first obs. used      1995-10-15      last obs. used      2020-07-28      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .56182      source      ORB      producer      Otto Matic      solution date      2020-Aug-25 13:44:58   Additional Information  Earth MOID = 1.01298 au   Jupiter MOID = 2.2107 au   T_jup = 3.519  [ 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 17.4   n/a MPO422723   185638 Erwinschwab           Discovered 2008 Mar. 1 at the Observatorio de La Sagra. Erwin Schwab (b. 1964) is a German amateur astronomer who started observing minor planets in 1981. Together with Rainer Kling, he initiated the astrometric program at the Taunus Observatory. Schwab has discovered numerous minor planets at the Starkenburg, Tzec Maun and Taunus observatories. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20090607/MPCPages.arc Last Updated: 2009-06-08 Alternate Designations  2008 EU7 = 1995 UZ53 = 1999 XL246 = 2006 SR87 = 2006 UP322  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ] 2020-Oct-20 14:51 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin