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  • Lunar and Planetary Science and Exploration  (5)
  • 1995-1999  (5)
  • 1
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    Surface composition of Kuiper belt object 1993SC (1997)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: The 1.42- to 2.40-micrometer spectrum of Kuiper belt object 1993SC was measured at the Keck Observatory in October 1996. It shows a strongly red continuum reflectance and several prominent infrared absorption features. The strongest absorptions in 1993SC's spectrum occur near 1.62, 1.79, 1.95, 2.20, and 2.32 micrometers in wavelength. Features near the same wavelengths in the spectra of Pluto and Neptune's satellite Triton are due to CH4 on their surfaces, suggesting the presence of a simple hydrocarbon ice such as CH4, C2H6, C2H4, or C2H2 on 1993SC. In addition, the red continuum reflectance of 1993SC suggests the presence of more complex hydrocarbons.
    Keywords: Lunar and Planetary Science and Exploration
    Type: Science (ISSN 0036-8075); Volume 276; 5314; 937-9
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Identification of water ice on the Centaur 1997 CU26 (1998)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: Spectra of the Centaur 1997 CU26 were obtained at the Keck Observatory on 27 October 1997 (universal time). The data show strong absorptions at 1.52 and 2.03 micrometers attributable to water ice on the surface of 1997 CU26. The reflectance spectrum of 1997 CU26 is matched by the spectrum of a mixture of low-temperature, particulate water ice and spectrally featureless but otherwise red-colored material. Water ice dominates the spectrum of 1997 CU26, whereas methane or methane-like hydrocarbons apparently dominate the spectrum of the Kuiper belt object 1993 SC, perhaps indicating different origins, thermal histories, or both for these two objects.
    Keywords: Lunar and Planetary Science and Exploration
    Type: Science (ISSN 0036-8075); Volume 280; 5368; 1430-2
    Format: text
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  • 3
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    Condensation of Nitrogen: Implications for Pluto Triton (1997)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: To correlate our laboratory results with the Voyager observations of Triton and ground-based observations of Pluto, we have calculated the nitrogen deposition rates on these bodies.
    Keywords: Lunar and Planetary Science and Exploration
    Format: text
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  • 4
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    Thermal Processes in Seasonal and Perennial N(sub 2) Layers on Triton and Pluto (1999)
    In:  Other Sources
    Details
    Publication Date: 2018-06-08
    Description: This work is a continuation of our two previous articles (Duxbury and Brown 1997 and Duxbury et al. 1997).
    Keywords: Lunar and Planetary Science and Exploration
    Type: Planetary and Space Science
    Format: text
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  • 5
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    Water Ice on Kuiper Belt Object 1996 TO66 (1999)
    In:  CASI
    Details
    Publication Date: 2019-07-10
    Description: The 1.40-2.40 micron spectrum of Kuiper Belt object (KBO) 1996 TO66 was measured at the Keck Observatory in September 1998. It's spectrum shows the strong absorptions near 1.5 and 2.0 micron characteristic of water ice--the first such detection on a Kuiper Belt object. The depth of the absorption bands and the continuum reflectance of 1996 TO66 also suggest the presence of a black to slightly blue-colored, spectrally featureless particulate material as a minority component mixed with the water ice. In addition, there is evidence that the intensity of the water bands in the spectrum of 1996 TO66 vary with rotational phase suggesting that it has a "patchy" surface.
    Keywords: Lunar and Planetary Science and Exploration
    Format: application/pdf
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