9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification

Bonnie J. Buratti; D. T. Britt; L. A. Soderblom; M. D. Hicks; D. C. Boice; R. H. Brown; R. Meier; R. M. Nelson; J. Oberst; T. C. Owen; A. S. Rivkin; B. R. Sandel; S. A. Stern; N. Thomas; R. V. Yelle

doi:10.1016/j.icarus.2003.06.002

9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification

Bonnie J. Buratti, D. T. Britt, L. A. Soderblom, M. D. Hicks, D. C. Boice, R. H. Brown, R. Meier, R. M. Nelson, J. Oberst, T. C. Owen, A. S. Rivkin, B. R. Sandel, S. A. Stern, N. Thomas, R. V. Yelle

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Spectra of Asteroid 9969 Braille in the 1.25-2.6 μm region returned by the Deep Space 1 (DS1) Mission show a ∼10% absorption band centered at 2 μm, and a reflectance peak at 1.6 μm. Analysis of these features suggest that the composition of Braille is roughly equal parts pyroxene and olivine. Its spectrum between 0.4 and 2.5 μm suggests that it is most closely related to the Q taxonomic type of asteroid. The spectrum also closely matches that of the ordinary chondrites, the most common type of terrestrial meteorite. The geometric albedo of Braille is unusually high (p_v = 0.34), which is also consistent with its placement within the rarer classes of stony asteroids, and which suggests it has a relatively fresh, unweathered surface, perhaps due to a recent collision.

Original language	English (US)
Pages (from-to)	129-135
Number of pages	7
Journal	Icarus
Volume	167
Issue number	1
DOIs	https://doi.org/10.1016/j.icarus.2003.06.002
State	Published - Jan 2004

Keywords

9969 Braille
Asteroids
Deep Space 1
NEOs

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1016/j.icarus.2003.06.002

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Buratti, B. J., Britt, D. T., Soderblom, L. A., Hicks, M. D., Boice, D. C., Brown, R. H., Meier, R., Nelson, R. M., Oberst, J., Owen, T. C., Rivkin, A. S., Sandel, B. R., Stern, S. A., Thomas, N., & Yelle, R. V. (2004). 9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification. Icarus, 167(1), 129-135. https://doi.org/10.1016/j.icarus.2003.06.002

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title = "9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification",

abstract = "Spectra of Asteroid 9969 Braille in the 1.25-2.6 μm region returned by the Deep Space 1 (DS1) Mission show a ∼10% absorption band centered at 2 μm, and a reflectance peak at 1.6 μm. Analysis of these features suggest that the composition of Braille is roughly equal parts pyroxene and olivine. Its spectrum between 0.4 and 2.5 μm suggests that it is most closely related to the Q taxonomic type of asteroid. The spectrum also closely matches that of the ordinary chondrites, the most common type of terrestrial meteorite. The geometric albedo of Braille is unusually high (pv = 0.34), which is also consistent with its placement within the rarer classes of stony asteroids, and which suggests it has a relatively fresh, unweathered surface, perhaps due to a recent collision.",

keywords = "9969 Braille, Asteroids, Deep Space 1, NEOs",

author = "Buratti, {Bonnie J.} and Britt, {D. T.} and Soderblom, {L. A.} and Hicks, {M. D.} and Boice, {D. C.} and Brown, {R. H.} and R. Meier and Nelson, {R. M.} and J. Oberst and Owen, {T. C.} and Rivkin, {A. S.} and Sandel, {B. R.} and Stern, {S. A.} and N. Thomas and Yelle, {R. V.}",

year = "2004",

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doi = "10.1016/j.icarus.2003.06.002",

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AU - Buratti, Bonnie J.

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AU - Soderblom, L. A.

AU - Hicks, M. D.

AU - Boice, D. C.

AU - Brown, R. H.

AU - Meier, R.

AU - Nelson, R. M.

AU - Oberst, J.

AU - Owen, T. C.

AU - Rivkin, A. S.

AU - Sandel, B. R.

AU - Stern, S. A.

AU - Thomas, N.

AU - Yelle, R. V.

PY - 2004/1

Y1 - 2004/1

N2 - Spectra of Asteroid 9969 Braille in the 1.25-2.6 μm region returned by the Deep Space 1 (DS1) Mission show a ∼10% absorption band centered at 2 μm, and a reflectance peak at 1.6 μm. Analysis of these features suggest that the composition of Braille is roughly equal parts pyroxene and olivine. Its spectrum between 0.4 and 2.5 μm suggests that it is most closely related to the Q taxonomic type of asteroid. The spectrum also closely matches that of the ordinary chondrites, the most common type of terrestrial meteorite. The geometric albedo of Braille is unusually high (pv = 0.34), which is also consistent with its placement within the rarer classes of stony asteroids, and which suggests it has a relatively fresh, unweathered surface, perhaps due to a recent collision.

AB - Spectra of Asteroid 9969 Braille in the 1.25-2.6 μm region returned by the Deep Space 1 (DS1) Mission show a ∼10% absorption band centered at 2 μm, and a reflectance peak at 1.6 μm. Analysis of these features suggest that the composition of Braille is roughly equal parts pyroxene and olivine. Its spectrum between 0.4 and 2.5 μm suggests that it is most closely related to the Q taxonomic type of asteroid. The spectrum also closely matches that of the ordinary chondrites, the most common type of terrestrial meteorite. The geometric albedo of Braille is unusually high (pv = 0.34), which is also consistent with its placement within the rarer classes of stony asteroids, and which suggests it has a relatively fresh, unweathered surface, perhaps due to a recent collision.

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9969 Braille: Deep Space 1 infrared spectroscopy, geometric albedo, and classification

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