Results 81 to 90 of about 50,771 (302)
PRECISE DISTANCES FOR MAIN-BELT ASTEROIDS IN ONLY TWO NIGHTS [PDF]
, 2015 We present a method for calculating precise distances to asteroids using only two nights of data from a single location—far too little for an orbit—by exploiting the angular reflex motion of the asteroids due to Earth’s axial rotation.
A. Heinze, S. Metchev
semanticscholar +1 more source
Characterization of V-type asteroids orbiting in the middle and outer main belt
, 2021 We present new spectral observations using ground-based telescopes of 23 putative V-type asteroids, selected according to colour surveys in the visible from the Moving Objects Catalogue of the Sloan Digital Sky Survey and near-infrared from the Moving ...
A. Migliorini +7 more
semanticscholar +1 more source
Collaborative asteroid photometry of six main-belt asteroids
, 2022 Synodic rotation periods of six main-belt asteroids were derived from photometric observations obtained from 2021 July 21 through November 2 from three observatories situated in Malta and one from Spain. We provide lightcurve rotation periods for (1713) Banchilon, (2232) Altaj, (2458) Veniakaverin, (6681) Prokopovich, (6787) 1991 PF15, and (18863) 1999
Brincat, Stephen M. +3 more
openaire +1 more source
The Network State, Exit, and the Political Economy of Venture Capital
Antipode, Volume 58, Issue 1, January 2026.Abstract This article focuses on the Network State movement as embodying the venture capital (VC) logic of exit. Exit constitutes both a strategy for lucrative returns and an ideology seeking out new territories for financial and technological speculation.
Olivier Jutel
wiley +1 more source
JWST Spectroscopy of (142) Polana: Connection to NEAs (101955) Bennu and (162173) Ryugu
The Planetary Science JournalThe new Polana collisional family is the hypothesized origin of the near-Earth asteroids (101955) Bennu, which was the target of the NASA OSIRIS-REx mission, and (162173) Ryugu, which was the target of the JAXA Hayabusa2 mission.
Anicia Arredondo +5 more
doaj +1 more source
Gaia and IRTF abundance of A-type main-belt asteroids
Astronomy & AstrophysicsContext. The so-called missing-mantle problem is a long-standing issue in planetary science. It states that olivine-rich asteroids should be abundant in the main belt, while this is observationally found not to be the case by dedicated surveys ...
Delbo M. +6 more
doaj +1 more source
Light curve analysis of main belt asteroids 4747, 5255, 11411, 15433, 17866
Open Astronomy, 2023 The main belt asteroids 4747, 5255, 11411, 15433, and 17866 were studied at the Baldone Astrophysical Observatory in the time span range 2018–2022. The obtained light curve data together with published Minor Planet Center data are analyzed with Fourier ...
Eglitis Ilgmars, Kristers Nagainis
doaj +1 more source
Meteoritics &Planetary Science, Volume 61, Issue 1, Page 122-139, January 2026.Abstract The O‐, N‐, Mo‐, Ru‐, Os‐, Cr‐, Ti‐, Ni‐, Fe‐, Nd‐, Ca‐, Zn‐, Sr‐, and Mg‐isotopic compositions of enstatite chondrites are essentially identical to those of the Earth and Moon. These correspondences suggest enstatite chondrites formed at ≈1 AU as the only known chondrite groups that accreted in the vicinity of a major planet. Bulk Earth has a
Alan E. Rubin
wiley +1 more source
The Planetary Science JournalUsing published simulations of the 10 yr Legacy Survey of Space and Time (LSST), we forecast its ability to determine the masses of individual main-belt asteroids (MBAs) through precise astrometry of any pairs of the ≈1.2 million known MBAs undergoing ...
Gary M. Bernstein +2 more
doaj +1 more source
Astronomy & AstrophysicsContext. One of the main bottlenecks in assessing the accuracy of the Mars orbit is the unknown value of the asteroids in the main asteroid belt. A modeling with 343 asteroids as point masses is used today, with the relative masses fit to observational ...
Mariani Vincenzo +4 more
doaj +1 more source