Results 61 to 70 of about 123,357 (335)
Photometric observations of six asteroids carried out in Simeiz in 2002
Вісник Астрономічної школи, 2004 The photometric observations of six asteroids observed in Simeiz Observatory in 2002 are presented. The lightcurves of four near-Earth asteroids (1036 Ganymed, 6455 1992 HE, 31669 1999 JT6, 2002 HU11) and two main-belt asteroids (6317 Dreyfus and 22338 ...
N. M. Gaftonyuk, Yu. N. Kruglyy
doaj +1 more source
The Astronomical Journal, 2023 We present here the design, architecture, and first data release for the Solar System Notification Alert Processing System (SNAPS). SNAPS is a solar system broker that ingests alert data from all-sky surveys.
David E. Trilling +6 more
doaj +1 more source
Combining asteroid models derived by lightcurve inversion with asteroidal occultation silhouettes [PDF]
, 2011 Asteroid sizes can be directly measured by observing occultations of stars by asteroids. When there are enough observations across the path of the shadow, the asteroid's projected silhouette can be reconstructed. Asteroid shape models derived from photometry by the lightcurve inversion method enable us to predict the orientation of an asteroid for the ...
arxiv +1 more source
New Paradigms For Asteroid Formation
, 2015 Asteroids and meteorites provide key evidence on the formation of planetesimals in the Solar System. Asteroids are traditionally thought to form in a bottom-up process by coagulation within a population of initially km-scale planetesimals.
Cuzzi, Jeffrey N. +4 more
core +1 more source
ASTEROIDS EXPLORATION WITH BALDONE SCHMIDT TELE-SCOPE
Odessa Astronomical Publications, 2018 CCD observations of asteroids were ob-tained in 2008 with the Baldone Schmidt telescope (aper-ture/diameter/focal length = 80/120/240 cm) at the Bal-done Astrophysical observatory (code 069) of the Institute of Astronomy of the University of Latvia.
I. Eglitis
doaj +1 more source
Measuring the Orbit Drift of Near-Earth Asteroids by the Yarkovsky Effect
The Astrophysical Journal, 2023 The Yarkovsky effect causes the semimajor axis drift of near-Earth asteroids. The drift can be detected by a precise orbit determination process. Using the proposed algorithm, 2233 out of 27,078 near-Earth asteroids are chosen as the initial candidates ...
Xin Liu +4 more
doaj +1 more source
Asteroid mass estimation using Markov-chain Monte Carlo [PDF]
, 2017 Estimates for asteroid masses are based on their gravitational perturbations on the orbits of other objects such as Mars, spacecraft, or other asteroids and/or their satellites. In the case of asteroid-asteroid perturbations, this leads to an inverse problem in at least 13 dimensions where the aim is to derive the mass of the perturbing asteroid(s) and
arxiv +1 more source
Predicting Performance of Hall Effect Ion Source Using Machine Learning
Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.This study introduces HallNN, a machine learning tool for predicting Hall effect ion source performance using a neural network ensemble trained on data generated from numerical simulations. HallNN provides faster and more accurate predictions than numerical methods and traditional scaling laws, making it valuable for designing and optimizing Hall ...
Jaehong Park +8 more
wiley +1 more source
Asteroid Spin-Rate Study using the Intermediate Palomar Transient Factory [PDF]
, 2015 Two dedicated asteroid rotation-period surveys have been carried out using data taken on January 6-9 and February 20-23 of 2014 by the Intermediate Palomar Transient Factory (iPTF) in the $R$~band with $\sim 20$-min cadence. The total survey area covered
Chang, Chan-Kao +12 more
core +3 more sources
Near-Earth Asteroids as Possible Parent Bodies of Meteor Streams [PDF]
Учёные записки Казанского университета: Серия Естественные науки, 2016 The genetic relationship of meteor streams with near-Earth asteroids (NEAs) is being actively studied. A genetic link with the asteroid is possible only for streams in which meteoroids have the geocentric speed smaller than 50 km/s, thereby meaning the ...
M.G. Sokolova, M.V. Sergienko
doaj