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Related papers: NEOWISE Observations of Near-Earth Objects: Prelim…

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Only a very small fraction of the asteroid population at size scales comparable to the object that exploded over Chelyabinsk, Russia has been discovered to date, and physical properties are poorly characterized. We present previously…

Earth and Planetary Astrophysics · Physics 2015-06-17 A. Mainzer , J. Bauer , T. Grav , J. Masiero , R. M. Cutri , E. L. Wright , C. R. Nugent , R. Stevenson , E. Clyne , G. Cukrov , F. Masci

Enhancements to the science data processing pipeline of NASA's Wide-field Infrared Explorer (WISE) mission, collectively known as NEOWISE, resulted in the detection of $>$158,000 minor planets in four infrared wavelengths during the fully…

Earth and Planetary Astrophysics · Physics 2015-06-11 A. Mainzer , T. Grav , J. Masiero , J. Bauer , R. M. Cutri , R. S. McMillan , C. R. Nugent , D. Tholen , R. Walker , E. L. Wright

The \emph{Wide-field Infrared Survey Explorer} has surveyed the entire sky at four infrared wavelengths with greatly improved sensitivity and spatial resolution compared to its predecessors, the \emph{Infrared Astronomical Satellite} and…

The Near-Earth Object Wide-Field Infrared Survey Explorer (NEOWISE) mission continues to detect, track, and characterize minor planets. We present diameters and albedos calculated from observations taken during the second year since the…

Earth and Planetary Astrophysics · Physics 2016-08-31 C. R. Nugent , A. Mainzer , J. Bauer , R. M. Cutri , E. A. Kramer , T. Grav , J. Masiero , S. Sonnett , E. L. Wright

Thermal infrared measurements of near-Earth objects provide critical data for constraining their physical properties such as size. The NEOWISE mission has been conducting an all-sky infrared survey to gather such data and improve our…

Earth and Planetary Astrophysics · Physics 2020-04-01 Joseph R. Masiero , Patrice Smith , Lean D. Teodoro , A. K. Mainzer , R. M. Cutri , T. Grav , E. L. Wright

The Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft has been conducting a two-band thermal infrared survey to detect and characterize asteroids and comets since its reactivation in Dec 2013. Using the observations…

Earth and Planetary Astrophysics · Physics 2020-02-20 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , J. Pittichová , S. Sonnett , E. L. Wright

The Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) reactivation mission has completed its third year of surveying the sky in the thermal infrared for near-Earth asteroids and comets. NEOWISE collects simultaneous…

Earth and Planetary Astrophysics · Physics 2017-10-04 Joseph R. Masiero , C. Nugent , A. K. Mainzer , E. L. Wright , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , S. Sonnett

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…

Earth and Planetary Astrophysics · Physics 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

The known near-Earth object (NEO) population consists of over 32,000 objects, with a yearly discovery rate of over 3000 NEOs per year. An essential component of the next generation of NEO surveys is an understanding of the population of…

Earth and Planetary Astrophysics · Physics 2023-11-01 Tommy Grav , Amy K. Mainzer , Joseph R. Masiero , Dar W. Dahlen , Tim Spahr , William F. Bottke , Frank J. Masci

We present the preliminary results of an analysis of the sub-populations within the near-Earth asteroids, including the Atens, Apollos, Amors, and those that are considered potentially hazardous using data from the Wide-field Infrared…

Earth and Planetary Astrophysics · Physics 2015-06-05 A. Mainzer , T. Grav , J. Masiero , J. Bauer , R. S. McMillan , J. Giorgini , T. Spahr , R. M. Cutri , D. J. Tholen , R. Jedicke , R. Walker , E. Wright , C. R. Nugent

NASA's Wide-field Infrared Survey Explorer (WISE) spacecraft has been brought out of hibernation and has resumed surveying the sky at 3.4 and 4.6 um. The scientific objectives of the NEOWISE reactivation mission are to detect, track, and…

The cryogenic WISE mission in 2010 was extremely sensitive to asteroids and not biased against detecting dark objects. The albedos of 428 Near Earth Asteroids (NEAs) observed by WISE during its fully cryogenic mission can be fit quite well…

Earth and Planetary Astrophysics · Physics 2016-09-21 Edward L. Wright , Amy Mainzer , Joseph Masiero , Tommy Grav , James Bauer

We present diameters and albedos computed for the near-Earth and Main Belt asteroids observed by the Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) spacecraft during the sixth and seventh years of its Reactivation mission.…

Earth and Planetary Astrophysics · Physics 2021-07-16 Joseph R. Masiero , A. K. Mainzer , J. M. Bauer , R. M. Cutri , T. Grav , E. Kramer , J. Pittichová , E. L. Wright

Near Earth Objects (NEOs) are small Solar System bodies whose orbits bring them close to the Earth's orbit. We are carrying out a Warm Spitzer Cycle 11 Exploration Science program entitled NEOSurvey --- a fast and efficient flux-limited…

Earth and Planetary Astrophysics · Physics 2016-12-07 David E. Trilling , Michael Mommert , Joseph Hora , Steve Chesley , Joshua Emery , Giovanni Fazio , Alan Harris , Michael Mueller , Howard Smith

We present preliminary diameters and albedos for 7,959 asteroids detected in the first year of the NEOWISE Reactivation mission. 201 are near-Earth asteroids (NEAs). 7,758 are Main Belt or Mars-crossing asteroids. 17% of these objects have…

Earth and Planetary Astrophysics · Physics 2015-12-01 C. R. Nugent , A. Mainzer , J. Masiero , J. Bauer , R. M. Cutri , T. Grav , E. Kramer , S. Sonnett , R. Stevenson , E. L. Wright

With thermal infrared observations detected by the NEOWISE project, we have measured diameters for 1742 minor planets that were also observed by the Infrared Astronomical Satellite (IRAS). We have compared the diameters and albedo derived…

Earth and Planetary Astrophysics · Physics 2015-05-28 A. Mainzer , T. Grav , J. Masiero , J. Bauer , E. Wright , R. M. Cutri , R. Walker , R. S. McMillan

We estimate the total population of near-Earth objects (NEOs) in the Solar System, using an extensive, `Solar System to pixels' fake-asteroid simulation to debias detections of real NEOs by the ATLAS survey. Down to absolute magnitudes…

Determining the size and orbital distribution of the population of near-Earth asteroids (NEAs) is the focus of intense research, with the most recent models converging to a population of approximately $1000$ NEAs larger than 1 km and up to…

Earth and Planetary Astrophysics · Physics 2016-12-21 Pasquale Tricarico

We report 491 new near-infrared spectroscopic measurements of 420 near-Earth objects (NEOs) collected on the NASA InfraRed Telescope Facility (IRTF) as part of the MIT-Hawaii NEO Spectroscopic Survey (MITHNEOS). These measurements were…

We perform a search for dormant comets, asteroidal objects of cometary origin, in the near-Earth asteroid (NEA) population based on dynamical and physical considerations. Our study is based on albedos derived within the ExploreNEOs program…

Earth and Planetary Astrophysics · Physics 2015-09-23 M. Mommert , A. W. Harris , M. Mueller , J. L. Hora , D. E. Trilling , W. F. Bottke , C. A. Thomas , M. Delbo , J. P. Emery , G. Fazio , H. A. Smith
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