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Crater ellipticity determination is a complex and time consuming task that so far has evaded successful automation. We train a state of the art computer vision algorithm to identify craters in Lunar digital elevation maps and retrieve their…

Earth and Planetary Astrophysics · Physics 2020-04-29 Mohamad Ali-Dib , Kristen Menou , Alan P. Jackson , Chenchong Zhu , Noah Hammond

We combine several constraints provided by the crater records on Arrokoth and the worlds of the Pluto system to compute the size-frequency distribution (SFD) of the crater production function for craters with diameter D<10km. For this…

Earth and Planetary Astrophysics · Physics 2021-01-20 A. Morbidelli , D. Nesvorny , W. F. Bottke , S. Marchi

Crater counting on the Moon and other bodies is crucial to constrain the dynamical history of the Solar System. This has traditionally been done by visual inspection of images, thus limiting the scope, efficiency, and/or accuracy of…

Earth and Planetary Astrophysics · Physics 2018-11-13 Ari Silburt , Mohamad Ali-Dib , Chenchong Zhu , Alan Jackson , Diana Valencia , Yevgeni Kissin , Daniel Tamayo , Kristen Menou

Impact craters are formed as a result of continuous impacts on the surface of planetary bodies. This paper proposes a novel way of simultaneously utilizing optical images, digital elevation maps (DEMs), and slope maps for automatic crater…

Image and Video Processing · Electrical Eng. & Systems 2025-11-17 Atal Tewari , Vinay Verma , Pradeep Srivastava , Vikrant Jain , Nitin Khanna

The flyby of Pluto and Charon by the New Horizons spacecraft provided high-resolution images of cratered surfaces embedded in the Kuiper belt, an extensive region of bodies orbiting beyond Neptune. Impact craters on Pluto and Charon were…

Via joint analysis of a calibrated telescopic survey, which found scattering Kuiper Belt objects, and models of their expected orbital distribution, we measure the form of the scattering object's size distribution. Ruling out a single…

Earth and Planetary Astrophysics · Physics 2013-02-01 C. Shankman , B. Gladman , N. Kaib , J. J. Kavelaars , J. -M. Petit

This paper presents the results of collisional evolution calculations for the Kuiper belt starting from an initial size distribution similar to that produced by accretion simulations of that region - a steep power-law large object size…

Earth and Planetary Astrophysics · Physics 2014-11-20 Wesley C. Fraser

Systematic geomorphological mapping and detailed landform analysis using the highest resolution images obtained by the New Horizons spacecraft reveal the presence of a range of differentiable terrains on Charon, the largest moon of Pluto,…

Earth and Planetary Astrophysics · Physics 2022-09-29 Hanzhang Chen , An Yin

In the outer solar system, the Kuiper Belt contains dynamical sub-populations sculpted by a combination of planet formation and migration and gravitational perturbations from the present-day giant planet configuration. The subdivision of…

Earth and Planetary Astrophysics · Physics 2020-07-09 Rachel A. Smullen , Kathryn Volk

The New Horizons mission to the Kuiper Belt has recently revealed intriguing features on the surface of Charon, including a network of chasmata, cutting across or around a series of high topography features, conjoining to form a belt. It is…

Earth and Planetary Astrophysics · Physics 2017-05-16 Uri Malamud , Hagai B. Perets , Gerald Schubert

We present a theoretical and analytical curve with reproduce essential features of the frequency distributions vs. diameter, of the 42,000 crater contained in the Barlow Mars Catalog. The model is derived using reasonable simple assumptions…

Astrophysics · Physics 2016-08-30 W. A. Bruckman , A. Ruiz , E. Ramos

Impact craters are formed due to continuous impacts on the surface of planetary bodies. Most recent deep learning-based crater detection methods treat craters as circular shapes, and less attention is paid to extracting the exact shapes of…

Image and Video Processing · Electrical Eng. & Systems 2022-11-04 Atal Tewari , Vikrant Jain , Nitin Khanna

Impact crater cataloging is an important tool in the study of the geological history of planetary bodies in the Solar System, including dating of surface features and geologic mapping of surface processes. Catalogs of impact craters have…

Earth and Planetary Astrophysics · Physics 2019-04-18 Christopher Lee

We examine the inner profiles of the rotation curves of galaxies in the velocity range from dwarf galaxies to Milky-way like galaxies, having maximum of rotation, $V_{\rm max}$, in the range [30-250] km/s, whose diversity is much larger…

Astrophysics of Galaxies · Physics 2024-10-11 A. Del Popolo , M. Le Delliou

We investigate the prospect of reconstructing the ''cosmic distance ladder'' of the Universe using a novel deep learning framework called LADDER - Learning Algorithm for Deep Distance Estimation and Reconstruction. LADDER is trained on the…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-29 Rahul Shah , Soumadeep Saha , Purba Mukherjee , Utpal Garain , Supratik Pal

Mean plane measurements of the Kuiper Belt from observational data are of interest for their potential to test dynamical models of the solar system. Recent measurements have yielded inconsistent results. Here we report a measurement of the…

Earth and Planetary Astrophysics · Physics 2024-02-05 Ian C. Matheson , Renu Malhotra

We describe analytical and numerical collisional evolution calculations for the size distribution of icy bodies in the Kuiper Belt. For a wide range of bulk properties, initial masses, and orbital parameters, our results yield power-law…

Astrophysics · Physics 2009-11-10 Scott J. Kenyon , Benjamin C. Bromley

We have performed a survey of the Kuiper belt covering ~ 1/3 a square degree of the sky using Suprime-cam on the Subaru telescope, to a limiting magnitude of m(R)~ 26.8 (50% threshold) and have found 36 new KBOs. We have confirmed that the…

Astrophysics · Physics 2009-11-13 W. C. Fraser , J. J. Kavelaars

Using data from the Deep Ecliptic Survey (DES), we investigate the inclination distributions of objects in the Kuiper Belt. We present a derivation for observational bias removal and use this procedure to generate unbiased inclination…

Earth and Planetary Astrophysics · Physics 2015-05-18 Amanda Gulbis , Jim Elliot , Elisabeth Adams , Susan Benecchi , Marc Buie , David Trilling , Larry Wasserman

In preparation for the Jan 1/2019 encounter between the New Horizons spacecraft and the Kuiper Belt object 2014 MU69, we provide estimates of the expected impact crater surface density on the Kuiper Belt object. Using the observed crater…

Earth and Planetary Astrophysics · Physics 2019-02-13 Sarah Greenstreet , Brett Gladman , William McKinnon , JJ Kavelaars , Kelsi Singer
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