+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   15107 Toepperwein (2000 CR49) Classification: Main-belt Asteroid          SPK-ID: 2015107 [ 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 33 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1766710979451629 3.7105e-08   a 2.27252578078498 7.3652e-09 au q 1.871036155985009 8.3964e-08 au i 4.596653848630162 3.544e-06 deg node 266.0330127648792 4.6828e-05 deg peri 14.39933944173479 4.8023e-05 deg M 221.1983558946393 1.1706e-05 deg tp 2459482.951615145737 (2021-Sep-25.45161515) 4.1262e-05 TDB period 1251.30060650166 3.43 6.0832e-06 1.665e-08 d yr n .287700651729463 1.3986e-09 deg/d Q 2.674015405584951 8.6664e-09 au   Orbit Determination Parameters    # obs. used (total)      1823      data-arc span      10313 days (28.24 yr)      first obs. used      1991-11-08      last obs. used      2020-02-02      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .48312      source      ORB      producer      Otto Matic      solution date      2020-Feb-22 21:11:17   Additional Information  Earth MOID = .854992 au   Jupiter MOID = 2.45779 au   T_jup = 3.586  [ 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 14.5   n/a MPO358777   diameter diameter 2.859 km 0.328 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 2.5294 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List: [Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010) Nature 466, 1085-1088. Lightcurve plots as supplemental data, http://www.Nature.com/nature] geometric albedo albedo 0.412   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   15107 Toepperwein           Discovered 2000 Feb. 2 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro. Named in honor of Mary Anne J. Toepperwein for mentoring a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Toepperwein is a teacher at the William P. Hobby Middle School, San Antonio, Texas. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: 20011002/MPCPages.arc Last Updated: 2009-05-11 [ show close-approach data ] Alternate Designations  2000 CR49 = 1993 BT13 = 1998 WK20  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2020-Oct-28 00:53 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin