IDing Meteorite Parent Bodies

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A major part of the ordinary chondrite“paradox” was due to the way meteoriteswere grouped and counted.M e t e o r i te F a lLLUnmeltedLMeltedH<strong>Meteorite</strong> <strong>Parent</strong> Body HistoriesKeil, Haack and Scott (1994)Counting individual “rocks”Counting the number ofdifferent types of “rocks”
Actual asteroid compositional determinationsare based on mineralogically-diagnosticfeatures in the spectra of these bodiesNo rmal i zed Sp ect ral Ref l ect an ce1.101.000.900.800.700.600.50Pyroxene4 Vesta0.5 1.0 1.5 2.0 2.5Wavelength (Plagioclase orFe-PyroxeneThese absorption features are due to Fe 2+µm)
Page 3 and 4: Review of the Asteroid-MeteoriteCon
Page 5: Delivery StagesEjected from asteroi
Page 8 and 9: Secular Resonances (nu / ν )0.5nu(
Page 10 and 11: Getting to “Escape Hatches”Spre
Page 12 and 13: Yarkovsky Effect - IIEffect arises
Page 14 and 15: Net Effect Depends on Rotation Dire
Page 16 and 17: For given albedo and conductivity,
Page 18 and 19: Actual meteoroids will not always h
Page 20 and 21: Investigators initially assumed tha
Page 22 and 23: Asteroid Taxonomic TypesTholen (198
Page 24 and 25: (Ab)Use of TaxonomyOriginal taxonom
Page 26 and 27: Common CosmicMineralsIdentify the t
Page 28 and 29: Lunar Space Weathering ProcessesVap
Page 30 and 31: Spectral Alteration by Space Weathe
Page 32 and 33: Space Weathering BehaviorLuna, 433
Page 34 and 35: Relative Variations of Spectral Par
Page 36 and 37: Limitations of Spectral MatchingInc
Page 38 and 39: Curve MatchingInitially useful in c
Page 40 and 41: Effect of Space Weathering on Band
Page 42 and 43: Effect of Space Weathering on BandA
Page 46 and 47: Outward-bound Asteroid MissionDAWN-
Page 48 and 49: Bottom Line on Space Weathering and
Page 50 and 51: S-asteroid SubtypesBand I Center (
Page 52 and 53: So where do the OrdinaryChondrites
Page 54 and 55: Hebe is located near both the 3:1 a
Page 56 and 57: The spectral curve of Hebe is signi
Page 58 and 59: 6 Hebe as the Parent Body of the H-
Page 60 and 61: 44 NysaUnsampled Asteroids- Aubrite
Page 62: Meteorites as Parent Body SamplesTh

IDing Meteorite Parent Bodies

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