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Recent observations and detections of interstellar objects (ISOs) passing through the solar system have sparked a wave of interest into these objects. Although rare, these ISOs can be captured into bound orbits around the Sun. In this…

Earth and Planetary Astrophysics · Physics 2023-08-09 Diptajyoti Mukherjee , Amir Siraj , Hy Trac , Abraham Loeb

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…

Astrophysics of Galaxies · Physics 2019-04-15 Nicholas P. Ross , Roberto J. Assef , Matthew J. Graham , J. Davy Kirkpatrick

We report follow-up observations of 477 program Near-Earth Asteroids (NEAs) using nine telescopes of the EURONEAR network having apertures between 0.3 and 4.2 m. Adding these NEAs to our previous results we now count 739 program NEAs…

Hydrated minerals are tracers of early solar system history, and have been proposed as a possible focus for economic activity in space. Near-Earth objects (NEOs) are important to both of these, especially the most accessible members of that…

Earth and Planetary Astrophysics · Physics 2018-12-07 Andrew S. Rivkin , Francesca E. DeMeo

Motivated by the development of high-dispersion spectrographs in the mid-infrared (MIR) range, we study their application to the atmospheric characterization of nearby non-transiting temperate terrestrial planets around M-type stars. We…

Earth and Planetary Astrophysics · Physics 2021-03-24 Yuka Fujii , Taro Matsuo

The continuing monitoring and surveying of the nearby space to detect Near Earth Objects (NEOs) and Near Earth Asteroids (NEAs) are essential because of the threats that this kind of objects impose on the future of our planet. We need more…

Instrumentation and Methods for Astrophysics · Physics 2019-01-15 V. Bacu , A. Sabou , T. Stefanut , D. Gorgan , O. Vaduvescu

We have made an extensive search for grouping amongst the near Earth asteroids (NEAs). We used two D- functions and rigorous cluster analysis approach. We have found sev- eral new groups (associations) among the NEAs: the objects moving on…

Earth and Planetary Astrophysics · Physics 2020-03-04 Tadeusz J. Jopek

The largest trans-Neptunian objects (TNOs) represent an extremely diverse collection of primitive bodies in the outer solar system. The community typically refers to these objects as dwarf planets, though the IAU acknowledges only four TNOs…

Earth and Planetary Astrophysics · Physics 2019-05-30 Noemí Pinilla-Alonso , John Stansberry , Bryan Holler

The James Webb Space Telescope (JWST) has the potential to enhance our understanding of near-Earth objects (NEOs). We present results of investigations into the observability of NEOs given the nominal observing requirements of JWST on…

As part of NASA's mission to explore habitable planets orbiting nearby stars, this paper explores the detection and characterization capabilities of a 4-m space telescope plus 50-m starshade located at the Earth-Sun L2 point, a.k.a. the New…

Instrumentation and Methods for Astrophysics · Physics 2015-06-04 Margaret C. Turnbull , Tiffany Glassman , Aki Roberge , Webster Cash , Charley Noecker , Amy Lo , Brian Mason , Phil Oakley , John Bally

Assess the joint capabilities of emerging telescopes for near-Earth objects (NEOs) survey and characterization, and what they will add to the current capabilities or replace. NASA telescopes in prime mission, in development, or under study,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-23 S. N. Milam , H. B. Hammel , J. Bauer , M. Brozovic , T. Grav , B. J. Holler , C. Lisse , A. Mainzer , V. Reddy , M. E. Schwamb , T. Spahr , C. A. Thomas , D. Woods

One-opposition near-Earth asteroids (NEAs) are growing in number, and they must be recovered to prevent loss and mismatch risk, and to improve their orbits, as they are likely to be too faint for detection in shallow surveys at future…

Observations to characterize planets larger than Earth but smaller than Neptune have led to largely inconclusive interpretations at low spectral resolution due to hazes or clouds that obscure molecular features in their spectra. However,…

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 number of known Near Earth Asteroids (NEAs) and Potentially Hazardous Asteroids (PHAs) has continued to grow in the last decade. Follow-up and recovery of newly discovered objects, as well as new astrometry at second or third…

Astrophysics · Physics 2007-05-23 Ovidiu Vaduvescu , Mirel Birlan

The study of asteroid families has provided tremendous insight into the forces that sculpted the main belt and continue to drive the collisional and dynamical evolution of asteroids. The identification of asteroid families within the NEO…

Astrophysics · Physics 2009-11-11 Hai Fu , Robert Jedicke , Daniel D. Durda , Ronald Fevig , James V. Scotti

Asteroids detection is a very important research field that received increased attention in the last couple of decades. Some major surveys have their own dedicated people, equipment and detection applications, so they are discovering Near…

Instrumentation and Methods for Astrophysics · Physics 2019-01-10 D. Copandean , C. Nandra , D. Gorgan , O. Vaduvescu

Stars of late-M and L spectral types, collectively known as Ultracool Dwarfs (UCDs), may be excellent targets for searches for extrasolar planets. Owing to their small radii, the signal from an Earth-size planet transiting a UCD is, in…

Asteroid spectroscopy reflects surface mineralogy. There are few thousand asteroids whose surfaces have been observed spectrally. Determining the surface properties of those objects is important for many practical and scientific…

Earth and Planetary Astrophysics · Physics 2014-11-26 D. A. Oszkiewicz , T. Kwiatkowski , T. Tomov , M. Birlan , S. Geier , A. Penttilä , M. Polińska