+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 37 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1766854646966729 3.5799e-08   a 2.272216334280143 7.2542e-09 au q 1.870748735366485 8.125e-08 au i 4.596469589694544 3.5004e-06 deg node 266.0281314934837 4.6587e-05 deg peri 14.45412047637067 4.7769e-05 deg M 278.6857997860153 1.1558e-05 deg tp 2459483.077017596199 (2021-Sep-25.57701760) 4.0485e-05 TDB period 1251.04503354798 3.43 5.9911e-06 1.64e-08 d yr n .28775942539737 1.378e-09 deg/d Q 2.6736839331938 8.5359e-09 au   Orbit Determination Parameters    # obs. used (total)      1908      data-arc span      10711 days (29.33 yr)      first obs. used      1991-11-08      last obs. used      2021-03-06      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .48431      source      ORB      producer      Otto Matic      solution date      2021-Apr-13 00:48:15   Additional Information  Earth MOID = .852824 au   Jupiter MOID = 2.45743 au   T_jup = 3.587  [ 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 14.54   n/a E2021B10   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. 2020-October); 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] [Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.] 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 ] 2021-Apr-16 09:09 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin