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相关论文: The Near-Earth Object Surveyor Mission

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The NEAT (Nearby Earth Astrometric Telescope) mission is a proposition submitted to ESA for its 2010 call for M-size mission. The main scientific goal is to detect and characterize planetary systems in an exhaustive way down to 1 Earth mass…

天体物理仪器与方法 · 物理学 2019-08-13 F. Malbet , A. Léger , R. Goullioud , M. Shao , P. -O. Lagage , C. Cara , G. Durand , P. Feautrier , B. Jakobsson , E. Hinglais , M. Mercier

Automated asteroid detection routines set requirements on the number of detections, signal-to-noise ratio, and the linearity of the expected motion in order to balance completeness, reliability, and time delay after data acquisition when…

地球与行星天体物理 · 物理学 2018-08-08 Joseph R. Masiero , E. Redwing , A. K. Mainzer , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , C. R. Nugent , S. Sonnett , E. L. Wright

Thermal infrared observations are the most effective way to measure asteroid diameter and albedo for a large number of near-Earth objects. Major surveys like NEOWISE, NEOSurvey, ExploreNEOs, and NEOLegacy find a small fraction of high…

The NEAT (Nearby Earth Astrometric Telescope) mission is a proposal submitted to ESA for its 2010 call for M-size mission within the Cosmic Vision 2015-2025 plan. The main scientific goal of the NEAT mission is to detect and characterize…

天体物理仪器与方法 · 物理学 2015-06-05 Fabien Malbet , Renaud Goullioud , Pierre-Olivier Lagage , Alain Léger , Mike Shao , Antoine Crouzier , the NEAT Consortium

In 2005, the United States Congress passed a bill mandating the detection, tracking, cataloguing and characterization of 90\% of the 140 meter and larger near-Earth objects (NEOs) by 2020. At the deadline $\sim$35\% were detected, tracked…

地球与行星天体物理 · 物理学 2023-01-30 Nathan Golovich

Studies on Near Earth Asteroids (NEAs) throw light on discoveries, identification, orbit prediction and civil alert capabilities, including potential asteroid impact hazards. Due to various new observational programs, the discovery rate of…

地球与行星天体物理 · 物理学 2016-07-21 J. Rukmini , G. Raghavendra , S. A. Ahmed , D. Shanti Priya , Syeda Azeem Unnisa

We propose to use a modest fraction of the re-purposed Kepler mission time and apertures to greatly increase the quantity and quality of our knowledge of near-Earth asteroids (NEAs) rotation and shape. NEAs are important for understanding…

地球与行星天体物理 · 物理学 2013-09-11 Martin Elvis , José Luis Galache , Gareth V. Williams

Catalina Sky Survey (CSS) is a major survey of Near-Earth Objects (NEOs). In a recent work, we used CSS observations from 2005-2012 to develop a new population model of NEOs (NEOMOD). CSS's G96 telescope was upgraded in 2016 and detected…

We present a new space mission concept that is capable of finding, detecting, and tracking 90% of near-Earth objects (NEO) with H magnitude of $\rm H\leq22$ (i.e., $\sim$140 m in size) that are potentially hazardous to the Earth. The new…

天体物理仪器与方法 · 物理学 2017-07-24 Michael Shao , Slava G. Turyshev , Sara Spangelo , Thomas Werne , Chengxing Zhai

The concept of putting a neutrino detector in close orbit of the sun has been unexplored until very recently. The primary scientific return is to vastly enhance our understanding of the solar interior, which is a major NASA goal.…

仪器与探测器 · 物理学 2023-07-24 N. Solomey , J. Folkerts , H. Meyer , C. Gimar , J. Novak , B. Doty , T. English , L. Buchele , A. Nelsen , R. McTaggart , M. Christl

This White Pape motivates the time domain extragalactic science case for the NASA Near-Earth Object Camera (NEOCam). NEOCam is a NASA Planetary mission whose goal is to discover and characterize asteroids and comets, to assess the hazard to…

星系天体物理 · 物理学 2019-04-15 Nicholas P. Ross , Roberto J. Assef , Matthew J. Graham , J. Davy Kirkpatrick

Earth's temporarily-captured orbiters (TCOs) are a sub-population of near-Earth objects (NEOs). TCOs can provide constraints for NEO population models in the 1--10-metre-diameter range, and they are outstanding targets for in situ…

地球与行星天体物理 · 物理学 2019-11-07 Grigori Fedorets , Mikael Granvik , R. Lynne Jones , Mario Jurić , Robert Jedicke

The objective of neutrino astronomy, born with the identification of thermonuclear fusion in the sun and the particle processes controlling the fate of a nearby supernova, is to build instruments which reach throughout and far beyond our…

天体物理学 · 物理学 2007-05-23 F. Halzen

Near-Earth asteroids (NEAs) in the 1-100 meter size range are estimated to be $\sim$1,000 times more numerous than the $\sim$15,000 currently-catalogued NEAs, most of which are in the 0.5-10 kilometer size range. Impacts from 10-100 meter…

Over 4.5 years, the Mission Accessible Near-Earth Object Survey (MANOS) assembled 228 Near-Earth Object (NEO) lightcurves. We report rotational lightcurves for 82 NEOs, constraints on amplitudes and periods for 21 NEOs, lightcurves with no…

We present an analysis of surveying the inner Solar System for objects that may pose some threat to the Earth. Most of the analysis is based on understanding the capability provided by Sentinel, a concept for an infrared space-based…

地球与行星天体物理 · 物理学 2016-10-26 Marc W. Buie , Harold J. Reitsema , Roger P. Linfield

The study of small ($<$300 m) near-Earth objects (NEOs) is important because they are more closely related than larger objects to the precursors of meteorites that fall on Earth. Collisions of these bodies with Earth are also more frequent.…

We present visible spectroscopic observations of a near-earth object (NEO) 2012 DA14. The asteroid 2012 DA14 came close to the surface of the Earth on February 15, 2013 at a distance of 27,700 km. Its estimated diameter is around 45 m. The…

地球与行星天体物理 · 物理学 2015-06-16 Seitaro Urakawa , Mitsugu Fujii , Hidekazu Hanayama , Jun Takahashi , Tsuyoshi Terai , Osamu Oshima

Imminent impactors are natural bodies discovered in space before impacting the Earth. They provide a rare opportunity to characterize individual near-Earth objects (NEOs) in great detail as asteroids in space, meteors in Earth's atmosphere…

地球与行星天体物理 · 物理学 2026-04-09 Ian Chow , Mario Jurić , R. Lynne Jones , Kathleen Kiker , Joachim Moeyens , Peter G. Brown , Aren N. Heinze , Jacob A. Kurlander