Density of asteroids

B Carry - Planetary and Space Science, 2012 - Elsevier
The small bodies of our solar system are the remnants of the early stages of planetary
formation. A considerable amount of information regarding the processes that occurred …

[PDF][PDF] The planetary and lunar ephemerides DE430 and DE431

WM Folkner, JG Williams, DH Boggs… - Interplanetary …, 2014 - ilrs.cddis.eosdis.nasa.gov
The planetary and lunar ephemerides DE430 and DE431 are generated by fitting
numerically integrated orbits of the Moon and planets to observations. The present-day lunar …

Binary minor planets

DC Richardson, KJ Walsh - Annu. Rev. Earth Planet. Sci., 2006 - annualreviews.org
A review of observations and theories regarding binary asteroids and binary trans-
Neptunian objects [collectively, binary minor planets (BMPs)] is presented. To date, these …

A low density of 0.8 g cm-3 for the Trojan binary asteroid 617 Patroclus

F Marchis, D Hestroffer, P Descamps, J Berthier… - Nature, 2006 - nature.com
The Trojan population consists of two swarms of asteroids following the same orbit as
Jupiter and located at the L4 and L5 stable Lagrange points of the Jupiter–Sun system …

Analysis of the potential field and equilibrium points of irregular-shaped minor celestial bodies

X Wang, Y Jiang, S Gong - Astrophysics and Space Science, 2014 - Springer
The equilibrium points of the gravitational potential field of minor celestial bodies, including
asteroids, comets, and irregular satellites of planets, are studied. In order to understand …

Binaries in the Kuiper belt

KS Noll, WM Grundy, EI Chiang, JL Margot… - arXiv preprint astro-ph …, 2007 - arxiv.org
Binaries have played a crucial role many times in the history of modern astronomy and are
doing so again in the rapidly evolving exploration of the Kuiper Belt. The large fraction of …

Astrometric masses of 26 asteroids and observations on asteroid porosity

J Baer, SR Chesley, RD Matson - The Astronomical Journal, 2011 - iopscience.iop.org
As an application of our recent observational error model, we present the astrometric
masses of 26 main-belt asteroids. We also present an integrated ephemeris of 300 large …

Shape, size and multiplicity of main-belt asteroids: I. Keck Adaptive Optics survey

F Marchis, M Kaasalainen, EFY Hom, J Berthier… - Icarus, 2006 - Elsevier
This paper presents results from a high spatial resolution survey of 33 main-belt asteroids
with diameters> 40 km using the Keck II Adaptive Optics (AO) facility. Five of these (45 …

Discovery of the triple asteroidal system 87 Sylvia

F Marchis, P Descamps, D Hestroffer, J Berthier - Nature, 2005 - nature.com
After decades of speculation, the existence of binary asteroids has been observationally
confirmed,, with examples in all minor planet populations. However, no triple systems have …

Beyond Point Masses. II. Non-Keplerian Shape Effects Are Detectable in Several TNO Binaries

BCN Proudfoot, DA Ragozzine… - The Astronomical …, 2024 - iopscience.iop.org
Abstract About 40 trans-Neptunian binaries (TNBs) have fully determined orbits with about
10 others being solved except for breaking the mirror ambiguity. Despite decades of study …