Results 1 to 10 of about 15,605 (264)

The NEO Surveyor Near-Earth Asteroid Known Object Model [PDF]

open access: greenThe Planetary Science Journal, 2023
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 known objects ...
Tommy Grav   +6 more
doaj   +2 more sources

Challenges in Identifying Artificial Objects in the Near-Earth Object Population: Spectral Characterization of 2020 SO [PDF]

open access: goldThe Planetary Science Journal
Since the dawn of the Space Age, hundreds of payloads have been launched into heliocentric space. As near-Earth object (NEO) surveys search deeper for small asteroids, more artificial objects in heliocentric orbits are being discovered.
Adam Battle   +15 more
doaj   +2 more sources

Klet Observatory – European Contribution to Detecting and Tracking of Near Earth Objects

open access: diamondGeoinformatics FCE CTU, 2012
Near Earth Object (NEO) research is an expanding field of astronomy. Is is important for solar system science and also for protecting human society from asteroid and comet hazard.  A near-Earth object (NEO) can be defined as an asteroid or comet that has
Milos Tichy
doaj   +3 more sources

Calculation of nonlimit active earth pressure of retaining walls based on curved sliding surface [PDF]

open access: yesScientific Reports
The shape of the sliding surface and the displacement of the wall have important effects on the earth pressure of retaining walls. Taking the cohesive backfill behind the inclined retaining wall as the research object, the relationship between the ...
Guihai Gao   +3 more
doaj   +2 more sources

When It Strikes, Are We Ready? Lessons Identified at the 7th Planetary Defense Conference in Preparing for a Near-Earth Object Impact Scenario [PDF]

open access: diamondInternational Journal of Disaster Risk Science, 2022
Ravan S   +9 more
europepmc   +3 more sources

Structurally topological algorithm for star recognition and near-Earth space’ object detection [PDF]

open access: yesКомпьютерная оптика, 2020
When solving a variety of celestial navigation tasks there is a problem of determining parameters of spacecraft motion and onboard primary payload orientation based on the coordinates of registered star images.
I.G. Zhurkin, L.N. Chaban, P.Yu. Orlov
doaj   +1 more source

Algorithms for Moving Object Detection: YSTAR-NEOPAT Survey Program [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2005
We developed and compared two automatic algorithms for moving object detections in the YSTAR-NEOPAT sky survey program. One method, called starlist comparison method, is to identify moving object candidates by comparing the photometry data tables from ...
Young-Ho Bae   +8 more
doaj   +1 more source

The Near-Earth Object Surveyor Mission

open access: yesThe Planetary Science Journal, 2023
The Near-Earth Object (NEO) Surveyor mission is a NASA Observatory designed to discover and characterize asteroids and comets. The mission’s primary objective is to find the majority of objects large enough to cause severe regional impact damage (>140 m ...
A. K. Mainzer   +36 more
doaj   +1 more source

Automated Streak Detection for High Velocity Objects: Test with YSTAR-NEOPAT Images [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2005
We developed an algorithm to efficiently detect streaks in survey images and made a performance test with YSTAR-NEOPAT images obtained by the 0.5m telescope stationed in South Africa. Fast moving objects whose apparent speeds exceed 10 arcsec/min are the
Dae-Won Chung   +6 more
doaj   +1 more source

Feed-Forward Neural Network Denoising Applied to Goldstone Solar System Radar Images

open access: yesRemote Sensing, 2022
The study of Near-Earth Asteroids (NEA) is crucial for human safety. Small hazardous asteroids with small radar cross sections are not easy to detect, track, and characterize due to the small signal-to-noise ratio (SNR) of the radar echo. This manuscript
Nereida Rodriguez-Alvarez   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy