Radar Observations of Asteroid 3908 Nyx

Benner, L. A. M.

doi:10.1006/icar.2002.6869

Cited by 23 publications

(15 citation statements)

References 29 publications

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“…All spectra are normalized to unity at 0.55 µm. Benner et al (2002). b The albedo and diameter of Magellan and 1992 FE are from Delbó et al (2003).…”

Section: Introductionmentioning

confidence: 99%

Pyroxene mineralogies of near‐Earth vestoids

Burbine

Buchanan

Dolkar

et al. 2009

Meteorit & Planetary Scien

105

188

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available online at http://meteoritics.org (2007) formulas overlap. The derived wollastonite (Wo) contents are very similar with differences being only approximately 1 mol%. The derived ferrosilite (Fs) contents differ by only 3 to 8 mol%. The determined pyroxene mineralogies for all seven nearEarth vestoids are consistent with eucrites or howardites. None of the objects have pyroxene mineralogies consistent with diogenites. The absence of near-Earth vestoids with pyroxene mineralogies similar to diogenites may indicate that it is difficult to produce sizeable (km-sized or larger) bodies that are predominantly composed of diogenitic material, suggesting these objects are rubble piles of mixed ejecta. Pyroxene mineralogies of near-Earth vestoids

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“…All spectra are normalized to unity at 0.55 µm. Benner et al (2002). b The albedo and diameter of Magellan and 1992 FE are from Delbó et al (2003).…”

Section: Introductionmentioning

confidence: 99%

Pyroxene mineralogies of near‐Earth vestoids

Burbine

Buchanan

Dolkar

et al. 2009

Meteorit & Planetary Scien

105

188

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“…The radii of 6489 Golevka, 3908 Nyx, 1998JM8, and 1998ML14 are from Hudson et al (2000, Benner et al (2002a), Benner et al (2002b), and Ostro et al (2001), respectively.…”

Section: Appendix -Changes Since the Last Reportmentioning

confidence: 99%

Report of the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements: 2003

Seidelmann

Archinal

A’Hearn

et al. 2005

Celestial Mech Dyn Astr

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Every three years the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements revises tables giving the directions of the north poles of rotation and the prime meridians of the planets, satellites, and asteroids. This report introduces a system of cartographic coordinates for asteroids and comets. A topographic reference surface for Mars is recommended. Tables for the rotational elements of the planets and satellites and size and shape of the planets and satellites are not included, since there were no changes to the values. They are available in the previous report (Celest. Mech. Dyn. Astron., 82, 83-110, 2002), a version of which is also available on a web site.

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“…AO imaging of asteroids typically occurs when the asteroid is at opposition, eliminating the problem of self-shadowing. Imaging of near-Earth asteroids is most commonly done with radar (Hudson et al 2003;Benner et al 2002), which again does not have the self-shadowing problem. In addition the objects are observable over a longer period which allows measurement of multiple sides of the object, allowing for a determination of the 3-dimensional shape.…”

Section: Discussionmentioning

confidence: 99%

“…Several near-Earth asteroids have been imaged by radar (Hudson et al 2003;Benner et al 2002), and several main belt asteroids have been imaged with speckle interferometry (McCarthy et al 1994;Ragazzoni et al 2000) and AO (Saint-Pe et al 1993;Drummond et al 1998;Hestroffer et al 2002;Baliunas et al 2003). For the most part near-Earth asteroids are too faint for speckle interferometry and AO systems.…”

Section: Imagesmentioning

confidence: 99%

Characterization of the near-Earth Asteroid 2002 NY40

Roberts¹,

Hall²,

Lambert³

et al. 2007

Icarus

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In August 2002, the near-Earth asteroid 2002 NY 40 , made its closest approach to the Earth. This provided an opportunity to study a near-Earth asteroid with a variety of instruments. Several of the telescopes at the Maui Space Surveillance System were trained at the asteroid and collected adaptive optics images, photometry and spectroscopy. Analysis of the imagery reveals the asteroid is triangular shaped with significant self-shadowing.The photometry reveals a 20-hour period and the spectroscopy shows that the asteroid is a Q-type.

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Radar Observations of Asteroid 3908 Nyx

Cited by 23 publications

References 29 publications

Pyroxene mineralogies of near‐Earth vestoids

Pyroxene mineralogies of near‐Earth vestoids

Report of the IAU/IAG Working Group on Cartographic Coordinates and Rotational Elements: 2003

Characterization of the near-Earth Asteroid 2002 NY40

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