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Related papers: Impactor Flux and Cratering on the Pluto-Charon Sy…

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The spacings of super-Earths in multi-transiting systems exhibit a distribution that is broad and mostly featureless, with the exception of notable excesses of planet pairs situated a few percent wide of first-order mean motion resonances…

Earth and Planetary Astrophysics · Physics 2026-02-26 Sam Hadden , Yanqin Wu

Mutual event observations between the two components of 90 Antiope were carried out in 2007-2008. The pole position was refined to lambda0 = 199.5+/-0.5 eg and beta0 = 39.8+/-5 deg in J2000 ecliptic coordinates, leaving intact the physical…

The variation of remotely sensed neutron count rates is measured as a function of cratercentric distance using data from the Lunar Prospector Neutron Spectrometer. The count rate, stacked over many craters, peaks over the crater centre, has…

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

Trans-Neptunian objects (TNOs) are remnants of a collisionally and dynamically evolved planetesimal disk in the outer solar system. This complex structure, known as the trans-Neptunian belt (or Edgeworth-Kuiper belt), can reveal important…

Astrophysics · Physics 2010-11-11 Patryk Sofia Lykawka , Tadashi Mukai

The rotational lightcurves of the Pluto-Charon system were previously believed to be solely attributed to their surfaces. However, a proposed scenario of haze cooling \citep{2017Natur.551..352Z} suggests that the atmospheric haze of Pluto…

Earth and Planetary Astrophysics · Physics 2023-09-20 Linfeng Wan , Xi Zhang , Jason D. Hofgartner

We present a coupled reorientation and climate model, to understand how true polar wander (TPW) and atmospheric condensation worked together to create the Sputnik Planitia (SP) ice sheet and reorient it to its present-day location on Pluto.…

Earth and Planetary Astrophysics · Physics 2021-09-24 Perianne E. Johnson , James T. Keane , Leslie A. Young , Isamu Matsuyama

A group of newly observed extreme trans-Neptunian objects exhibit unexpected orbital confinement, characterized by the alignment of orbital angular momentum vectors and apsidal lines. It is proposed that an undiscovered giant planet, named…

Earth and Planetary Astrophysics · Physics 2025-01-29 Rafael Ribeiro , Andre Izidoro , Alessandro Morbidelli , David Nesvorny , Othon Cabo Winter

Context. During the last 30 years the surface of Pluto has been characterized, and its variability has been monitored, through continuous near-infrared spectroscopic observations. But in the visible range only few data are available. Aims.…

Earth and Planetary Astrophysics · Physics 2016-01-13 V. Lorenzi , N. Pinilla-Alonso , J. Licandro , D. P. Cruikshank , W. M. Grundy , R. P. Binzel , J. P. Emery

The dwarf planet Pluto is known to host an extended system of five co-planar satellites. Previous studies have explored the formation and evolution of the system in isolation, neglecting perturbative effects by the Sun. Here we show that…

Earth and Planetary Astrophysics · Physics 2017-03-08 Erez Michaely , Hagai B. Perets , Evgeni Grishin

I find evidence for clustering in age of well-dated impact craters over the last 500 Myr. At least nine impact episodes are identified, with durations whose upper limits are set by the dating accuracy of the craters. Their amplitudes and…

Earth and Planetary Astrophysics · Physics 2015-03-17 W. M. Napier

Close encounters (CEs) between celestial objects may exert significant influence on their orbits. The influence will be even enhanced when two groups of celestial objects are confined in stable orbital configurations, e.g. in adjacent mean…

Earth and Planetary Astrophysics · Physics 2018-06-29 Cheng-Yu Dong , Li-Yong Zhou

The recent discovery of two large trans-Neptunian objects (TNOs) 2003 UB313 and 2005 FY9, with surface properties similar to those of Pluto, provides an exciting new laboratory for the study of processes considered for Pluto and Triton:…

Astrophysics · Physics 2009-11-11 J. Licandro , W. M. Grundy , N. Pinilla-Alonso , J. de Leon

The New Horizons spacecraft will achieve a wide range of measurement objectives at the Pluto system, including color and panchromatic maps, 1.25-2.50 micron spectral images for studying surface compositions, and measurements of Pluto's…

Pluto and Charon are a dwarf binary system with a high mass ratio $\mu$, preventing Trojan companions. This instability creates ideal intersections for low-energy pathways that spacecraft can traverse and serves as an important test case…

Earth and Planetary Astrophysics · Physics 2025-12-11 Abdul Wahab Jbara

We use astrometry of Pluto and other TNOs to constrain the sky location, distance, and mass of the possible additional planet (Planet Nine) hypothesized by Batygin and Brown (2016). We find that over broad regions of the sky, the inclusion…

Earth and Planetary Astrophysics · Physics 2016-09-21 Matthew J. Holman , Matthew J. Payne

We numerically investigate the orbital dynamics of a spacecraft, or a comet, or an asteroid in the Pluto-Charon system in a scattering region around Charon using the planar circular restricted three-body problem. The test particle can move…

Earth and Planetary Astrophysics · Physics 2017-09-28 Euaggelos E. Zotos

Thermal observations of the Pluto-Charon system acquired by the Herschel Space Observatory in February 2012 are presented. They consist of photometric measurements with the PACS and SPIRE instruments (nine visits to the Pluto system each),…

Earth and Planetary Astrophysics · Physics 2016-03-23 E. Lellouch , P. Santos-Sanz , S. Fornasier , T. Lim , J. Stansberry , E. Vilenius , Cs. Kiss , T. Müller , G. Marton , S. Protopapa , P. Panuzzo , R. Moreno

Metallic bodies that were the cores of differentiated bodies are sources of iron meteorites and are considered to have formed early in the terrestrial planet region before migrating to the main asteroid belt. Surface temperatures and mutual…

Earth and Planetary Astrophysics · Physics 2021-03-31 Ryo Ogawa , Akiko M. Nakamura , Ayako I. Suzuki , Sunao Hasegawa

The radio tracking apparatus of the New Horizons spacecraft, currently traveling to the Pluto system where its arrival is scheduled for July 2015, should be able to reach an accuracy of 10 m (range) and 0.1 mm s^-1 (range-rate) over…

Earth and Planetary Astrophysics · Physics 2016-02-01 Lorenzo Iorio