Results 21 to 30 of about 726,529 (200)

Irregular satellites of Jupiter: capture configurations of binary-asteroids [PDF]

open access: bronzeMonthly Notices of the Royal Astronomical Society, 2011
The origins of irregular satellites of the giant planets are an important piece of the giant "puzzle" that is the theory of Solar System formation. It is well established that they are not "in situ" formation objects, around the planet, as are believed to be the regular ones.
H. S. Gaspar   +2 more
openalex   +5 more sources

Instability zones for satellites of asteroids: The example of the (87) Sylvia system [PDF]

open access: greenIcarus, 2012
We study the stability of the (87) Sylvia system and of the neighborhood of its two satellites. We use numerical integrations considering the non-sphericity of Sylvia, as well as the mutual perturbation of the satellites and the solar perturbation. Two numerical models have been used, which describe respectively the short and long-term evolution of the
Julien Frouard, A. Compère
openalex   +6 more sources

Asteroid satellite ephemeride service. Mutual occultations and eclipses

open access: bronzeIcarus, 2020
Abstract A tool has been developed for computing the ephemerides of asteroid satellites, which are needed to plan and verify new observations, as well as for space missions. The proposed ephemeris server is available online at http://www.sai.msu.ru/neb/nss/html/multisat/nssAsthe.htm and http://nsdb.imcce.fr/multisat/nssAsthe.htm .
N. V. Emel'Yanov, A.E. Drozdov
openalex   +7 more sources

Sizes, Shapes, and Satellites of Asteroids from Occultations [PDF]

open access: bronzeProceedings of the International Astronomical Union, 2015
AbstractFor 40 years, the sizes and shapes of many dozens of asteroids have been determined from observations of asteroidal occultations, and over a thousand high-precision positions of the asteroids relative to stars have been measured. Some of the first evidence for satellites of asteroids was obtained from the early efforts; now, the orbits and ...
David Dunham   +8 more
openalex   +2 more sources

Positions of jupiter's satellites and asteroids

open access: bronzeThe Astronomical Journal, 1936
Seth B. Nicholson, Myrtle L. Richmond
openalex   +3 more sources

First observation of a quadruple asteroid. Detection of a third moon around (130) Elektra with SPHERE/IFS [PDF]

open access: yesAstronomy & Astrophysics, 2022
Aims. We aim to increase the contrast limits to detect new satellites orbiting known asteroids. We use cutting-edge data reduction techniques and data processing algorithms that are essential to best analyse the raw data provided by the instruments and ...
A. Berdeu, M. Langlois, F. Vachier
semanticscholar   +1 more source

The Moon at thermal infrared wavelengths: a benchmark for asteroid thermal models [PDF]

open access: yesAstronomy & Astrophysics, 2021
Thermal-infrared measurements of asteroids, satellites, and distant minor bodies are crucial for deriving the objects’ sizes, albedos, and in some cases, also the thermophysical properties of the surface material.
T. Müller   +4 more
semanticscholar   +1 more source

Physical Properties of the Young Asteroid Pair 2010 UM26 and 2010 RN221

open access: yesThe Astronomical Journal, 2023
The main belt asteroids 458271 (2010 UM26) and 2010 RN221 share almost identical orbital elements, and currently appear as comoving objects ∼30″ apart in the plane of the sky.
David Jewitt   +3 more
doaj   +1 more source

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