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Related papers: MEGASIM: Distribution and Detection of Earth Troja…

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We present an analysis of lifetimes and resonances of Earth Trojan Asteroids (ETAs) in the MEGASIM data set (Yeager & Golovich 2022). Trojan asteroids co-orbit the Sun with a planet but remain bound to the Lagrange points, L4 (60{\deg}…

Earth and Planetary Astrophysics · Physics 2022-10-26 Travis Yeager , Nathan Golovich

Earth Trojan Asteroids are an important but elusive population that co-orbit with Earth at the L4 and L5 Lagrange points. There is only one known, but a large population is theoretically stable and could provide insight into our solar…

Earth and Planetary Astrophysics · Physics 2021-06-28 Noah Lifset , Nathan Golovich , Eric Green , Robert Armstrong , Travis Yeager

Observational searches for asteroids orbiting near Earth's triangular Lagrange points face unique obstacles. A population of such asteroids would occupy a large projected area on the sky (possibly hundreds of square degrees) and is not…

Astrophysics · Physics 2009-10-31 Paul Wiegert , Kimmo Innanen , Seppo Mikkola

The NSF-DOE Vera C. Rubin Observatory's Legacy Survey of Space and Time (LSST), beginning full operations in late 2025, will dramatically transform solar system science by vastly expanding discoveries and providing detailed characterization…

The NSF-DOE Vera C. Rubin Observatory is a new 8m-class survey facility presently being commissioned in Chile, expected to begin the 10yr-long Legacy Survey of Space and Time (LSST) by the end of 2025. Using the purpose-built Sorcha survey…

The European Space Agency Gaia satellite, planned for launch in late 2013, will perform systematic astrometric observations of the whole sky over a five year period. During this mission many thousands of Solar System Objects down to…

Earth and Planetary Astrophysics · Physics 2013-12-31 M. Todd , P. Tanga , D. M. Coward , M. G. Zadnik

We have searched Microvariability and Oscillations of STars (MOST) satellite photometry obtained in 2004, 2005, and 2007 of the solar-type star HD 209458 for Trojan asteroid swarms dynamically coupled with the system's transiting "hot…

Solar and Stellar Astrophysics · Physics 2010-05-20 Reka Moldovan , Jaymie M. Matthews , Brett Gladman , William F. Bottke , David Vokrouhlicky

A co-orbital asteroid shares the orbit of a secondary body about its primary. Though more commonly encountered as an asteroid that shares a planet's orbit around the Sun, a co-orbital asteroid could similarly share the orbit of the Moon…

Earth and Planetary Astrophysics · Physics 2022-03-16 Cole R. Gregg , Paul A. Wiegert

Most of the major planets in the Solar System support populations of co-orbiting bodies, known as Trojans, at their L4 and L5 Lagrange points. In contrast, Earth has only one known co-orbiting companion. This paper presents the results from…

Earth and Planetary Astrophysics · Physics 2020-02-05 Larissa Markwardt , David W. Gerdes , Renu Malhotra , Juliette C. Becker , Stephanie J. Hamilton , Fred C. Adams

Due to their strong resonances with their host planet, Trojan asteroids can remain in stable orbits for billions of years. As a result, they are powerful probes for constraining the dynamical and chemical history of the solar system.…

Earth and Planetary Astrophysics · Physics 2022-04-22 Kevin J. Napier , Larissa Markwardt , Fred C. Adams , David W. Gerdes , Hsing Wen Lin

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…

Earth and Planetary Astrophysics · Physics 2019-11-07 Grigori Fedorets , Mikael Granvik , R. Lynne Jones , Mario Jurić , Robert Jedicke

The previous decade saw the discovery of the first four known interstellar objects due to advances in astronomical viewing equipment. Future sky surveys with greater sensitivity will allow for more frequent detections of such objects,…

Instrumentation and Methods for Astrophysics · Physics 2023-03-28 Carson Ezell , Abraham Loeb

Compared with previous space-borne surveys, the Transiting Exoplanet Survey Satellite (TESS) provides a unique and new approach to observe Solar System objects. While its primary mission avoids the vicinity of the ecliptic plane by…

All the Trojan asteroids orbit about the Sun at roughly the same heliocentric distance as Jupiter. Differences in the observed visible reflection spectra range from neutral to red, with no ultra-red objects found so far. Given that the…

Astrophysics · Physics 2008-01-17 M. D. Melita , J. Licandro , Jones , D. C. , I. P. Williams

The Yarkovsky effect is a thermal process acting upon the orbits of small celestial bodies, which can cause these orbits to slowly expand or contract with time. The effect is subtle (da/dt ~ 10^-4 au/My for a 1 km diameter object) and is…

Earth and Planetary Astrophysics · Physics 2020-02-10 Adam H. Greenberg , Jean-Luc Margot , Ashok K. Verma , Patrick A. Taylor , Susan E. Hodge

The recently discovered population of interstellar objects presents us with the opportunity to characterize material from extrasolar planetary and stellar systems up close. The forthcoming Vera C. Rubin Observatory Legacy Survey of Space…

Earth and Planetary Astrophysics · Physics 2022-02-01 Devin J. Hoover , Darryl Z. Seligman , Matthew J. Payne

White dwarfs are one of the few types of stellar objects for which we know almost nothing about the possible existence of companion planets. Recent evidence for metal contaminated atmospheres, circumstellar debris disks and transiting…

Earth and Planetary Astrophysics · Physics 2019-05-15 Jorge Cortes , David M. Kipping

Tidal disruption events (TDEs) are multi-messenger transients in which a star is tidally destroyed by a supermassive black hole at the center of galaxies. The Rubin Observatory Legacy Survey of Space and Time (LSST) is anticipated to…

High Energy Astrophysical Phenomena · Physics 2024-10-30 K. Szekerczes , T. Ryu , S. H. Suyu , S. Huber , M. Oguri , L. Dai

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…

Earth and Planetary Astrophysics · Physics 2026-04-09 Ian Chow , Mario Jurić , R. Lynne Jones , Kathleen Kiker , Joachim Moeyens , Peter G. Brown , Aren N. Heinze , Jacob A. Kurlander

Near-Earth Objects (NEOs) that orbit the Sun on or within Earth's orbit are tricky to detect for Earth-based observers due to their proximity to the Sun in the sky. These small bodies hold clues to the dynamical history of the inner solar…

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