Search Publications
The evolution of gently sloping mantled deposits on Comet 67P/Churyumov-Gerasimenko
Kossacki, Konrad J.; Jasiak, Aleksander
We investigated the role of local illumination and material parameters that can be important in determining evolution of a gently inclined slopes on the nucleus of comet. The considered material parameters are: size of ice grains, agglomerates and pores in-between, thermal conductivity of dust mantle, size of pores in the dust mantle, presence of …
Inertia parameter statistics of an uncertain small body shape
Bercovici, Benjamin; McMahon, Jay W.
This paper proposes an analytical formulation of the inertia parameters of Bezier shapes of arbitrary order. Bezier shapes can represent classical polyhedra as well as higher-order surface elements within the same framework. This formulation is linearized so as to yield the expressions of the first variation in the inertia properties of interest. …
Global spectrophotometric properties of Asteroid (21) Lutetia using Rosetta-OSIRIS images
Masoumzadeh, N.; Boehnhardt, H.
We present a spectrophotometric analysis of the surface areas of asteroid (21) Lutetia that were imaged during the Rosetta flyby on July 2010 by the OSIRIS camera in the wavelength range 269 to 989 nm. A spectral slope change with respect to phase angle is found and interpreted as being due to areal diversity of Lutetia's surface. We applied Minna…
Measuring the Yarkovsky effect with Las Cumbres Observatory
Lister, Tim; Farnocchia, Davide; Greenstreet, Sarah
The Las Cumbres Observatory (LCOGT) provides an ideal platform for follow-up and characterization of Solar System objects (e.g. asteroids, Kuiper belt objects (KBOs), comets, and near-Earth objects (NEOs)) as well as for the discovery of new objects. The LCOGT network allows for regular monitoring of a sample of targets, such as that of NEOs for w…
Large-scale, sub-tropical cloud activity near Titan's 1995 equinox
Lorenz, R. D.; Caldwell, J. J.; Lemmon, M. T. +1 more
We report observations of Titan using 190 images from the Hubble Space Telescope WFPC2 and NICMOS over 4 oppositions of Titan 1994-1997. Analysis of these images yields maps of surface brightness at 0.67, 0.94, and 1.08 µm that compare well with Cassini data, plus some transient features that are interpreted as large cloud systems. These sys…
Reprint of "Evidence for color dichotomy in the primordial Neptunian Trojan population"
Smith, M.; D'Andrea, C. B.; Abbott, T. M. C. +45 more
In the current model of early Solar System evolution, the stable members of the Jovian and Neptunian Trojan populations were captured into resonance from the leftover reservoir of planetesimals during the outward migration of the giant planets. As a result, both Jovian and Neptunian Trojans share a common origin with the primordial disk population…
Identification of the SMART-1 spacecraft impact location on the Moon
Stooke, P. J.
The impact site of the European Space Agency SMART-1 lunar orbiter was identified in Lunar Reconnaissance Orbiter (LRO) Camera (LROC) images. No pre-impact image of adequate resolution is available for confirmation, but the form of the impact feature and its ejecta, its proximity to the expected location and the absence of any other obvious candid…
Venus crater-related radar-dark parabolas and neighboring terrains: A comparison of 1-µm emissivity and microwave properties
Basilevsky, A. T.; Markiewicz, W. J.; Shalygin, E. V. +2 more
This work presents a comparative study of microwave properties and 1-µm emissivity for five Venus crater-associated radar-dark parabolas along with neighboring plains and some other geologic units. Craters of interest are Adivar, Bassi, Bathsheba, Sitwell, and du Chatelet with nearby crater Caccini having non-parabolic radar-dark halo. Micro…
Erratum to 'Isotopic Ratios of Saturn's Rings and Satellites: Implications for the Origin of Water and Phoebe' [ICARUS 321 (2019) 791-802]
Clark, Roger N.; Brown, Robert H.; Cruikshank, Dale P. +1 more
This article was temporarily removed from online publication in November 2018 after the article was accepted. The temporary removal was to coordinate a press release with the online publication of the article. There were no errors or problems with the content of the article.
Corrigendum to "Decadal Timescale Variability of the Enceladus Plumes Inferred from Cassini Images" [ICARUS, 282 (15 Jan 2017) pages 260-275]
Ingersoll, Andrew P.; Ewald, Shawn P.
Tables S2 and S3 are now included in the Supplementary Online Material for this article.