Search Results - "ASMAR, Sami W"
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The Nucleus of comet 67P/Churyumov–Gerasimenko – Part I: The global view – nucleus mass, mass-loss, porosity, and implications
Published in Monthly notices of the Royal Astronomical Society (21-02-2019)“…The radio science experiment RSI on-board Rosetta determined the mass of the nucleus of comet 67P/Churyumov–Gerasimenko at the start of the prime mission from…”
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The Rotation and Interior Structure Experiment on the InSight Mission to Mars
Published in Space science reviews (01-08-2018)“…The Rotation and Interior Structure Experiment (RISE) on-board the InSight mission will use the lander’s X-band (8 GHz) radio system in combination with…”
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The Crust of the Moon as Seen by GRAIL
Published in Science (American Association for the Advancement of Science) (08-02-2013)“…High-resolution gravity data obtained from the dual Gravity Recovery and Interior Laboratory (GRAIL) spacecraft show that the bulk density of the Moon's…”
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The Tides of Titan
Published in Science (American Association for the Advancement of Science) (27-07-2012)“…We have detected in Cassini spacecraft data the signature of the periodic tidal stresses within Titan, driven by the eccentricity (e = 0.028) of its 16-day…”
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Gravity Field of the Moon from the Gravity Recovery and Interior Laboratory (GRAIL) Mission
Published in Science (American Association for the Advancement of Science) (08-02-2013)“…Spacecraft-to-spacecraft tracking observations from the Gravity Recovery and Interior Laboratory (GRAIL) have been used to construct a gravitational field of…”
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The JPL lunar gravity field to spherical harmonic degree 660 from the GRAIL Primary Mission
Published in Journal of geophysical research. Planets (01-07-2013)“…The lunar gravity field and topography provide a way to probe the interior structure of the Moon. Prior to the Gravity Recovery and Interior Laboratory (GRAIL)…”
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Mars high resolution gravity fields from MRO, Mars seasonal gravity, and other dynamical parameters
Published in Icarus (New York, N.Y. 1962) (2011)“…With 2 years of tracking data collection from the MRO spacecraft, there is noticeable improvement in the high frequency portion of the spherical harmonic Mars…”
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Gravity Recovery and Interior Laboratory (GRAIL): Mapping the Lunar Interior from Crust to Core
Published in Space science reviews (01-09-2013)“…The Gravity Recovery and Interior Laboratory (GRAIL) is a spacecraft-to-spacecraft tracking mission that was developed to map the structure of the lunar…”
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Gravity Field, Shape, and Moment of Inertia of Titan
Published in Science (American Association for the Advancement of Science) (12-03-2010)“…Precise radio tracking of the spacecraft Cassini has provided a determination of Titan's mass and gravity harmonics to degree 3. The quadrupole field is…”
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Ancient Igneous Intrusions and Early Expansion of the Moon Revealed by GRAIL Gravity Gradiometry
Published in Science (American Association for the Advancement of Science) (08-02-2013)“…The earliest history of the Moon is poorly preserved in the surface geologic record due to the high flux of impactors, but aspects of that history may be…”
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Future of Planetary Atmospheric, Surface, and Interior Science Using Radio and Laser Links
Published in Radio science (01-04-2019)“…Scientific studies using spacecraft radio links, which are shared with communications and navigation functions, have been carried out on almost every solar…”
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The Sardinia Space Communication Asset: Performance of the Sardinia Deep Space Antenna X-Band Downlink Capability
Published in IEEE access (2022)“…The Sardinia deep space antenna (SDSA), managed by the Italian Space Agency (ASI) has started its operations in 2017 aiming to provide tracking and…”
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First results from the Cassini radio occultations of the Titan ionosphere
Published in Journal of Geophysical Research - Space Physics (01-09-2008)“…The first four sets of radio occultations of the Titan's ionosphere were obtained by the Cassini spacecraft between March 2006 and May 2007. These occultations…”
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Mars Reconnaissance Orbiter Radio Science Gravity Investigation
Published in Journal of Geophysical Research - Planets (01-05-2007)“…The objectives of the Mars Reconnaissance Orbiter (MRO) Radio Science Gravity Investigation are to improve knowledge of the static structure and characterize…”
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First results from the ionospheric radio occultations of Saturn by the Cassini spacecraft
Published in Journal of Geophysical Research - Space Physics (01-06-2006)“…The first set of near‐equatorial occultations of the Saturn ionosphere was obtained by the Cassini spacecraft between May and September of 2005. The…”
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Report on First Inflight Data of BepiColombo's Mercury Orbiter Radio Science Experiment
Published in IEEE transactions on aerospace and electronic systems (01-12-2020)“…BepiColombo's Mercury orbiter radio science experiment (MORE) was conceived to enable extremely accurate radio tracking measurements of the Mercury Planetary…”
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High-resolution lunar gravity fields from the GRAIL Primary and Extended Missions
Published in Geophysical research letters (16-03-2014)“…The resolution and accuracy of the lunar spherical harmonic gravity field have been dramatically improved as a result of the Gravity Recovery and Interior…”
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Reducing Doppler noise with multi-station tracking: The Cassini test case
Published in Acta astronautica (01-08-2020)“…Doppler tracking of Solar System probes is used for spacecraft navigation, planetary geodesy, and tests of the theory of General Relativity. The spacecraft…”
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Lunar interior properties from the GRAIL mission
Published in Journal of geophysical research. Planets (01-07-2014)“…The Gravity Recovery and Interior Laboratory (GRAIL) mission has sampled lunar gravity with unprecedented accuracy and resolution. The lunar GM, the product of…”
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The Juno Gravity Science Instrument
Published in Space science reviews (01-11-2017)“…The Juno mission’s primary science objectives include the investigation of Jupiter interior structure via the determination of its gravitational field. Juno…”
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