Results 21 to 30 of about 508,942 (290)
Near-Earth Objects (NEO) and other current space threats
Objectives The subject of the study are space threats – Near-Earth Objects (NEO) and Potentially Hazardous Asteroids (PHA). Methods The research methods employed in this article included the classic theoretical methods used in security sciences and a
Radosław Bielawski
doaj +1 more source
The observation of small bodies in the Space Environment is an ongoing important task in astronomy. While nowadays new objects are mostly detected in larger sky surveys, several follow-up observations are usually needed for each object to improve the ...
Tobias Hoffmann +12 more
doaj +1 more source
Preatmospheric Detection of a Meter-sized Earth Impactor
On 2020 September 18 U.S. Government (USG) sensors detected a bolide with peak bolometric magnitude of −19 over the Western Pacific. The impact was also detected by the Geostationary Lightning Mapper instrument on the GOES-17 satellite and infrasound ...
David L. Clark +5 more
doaj +1 more source
Identifying Near Earth Object Families
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 population could
Benz +47 more
core +1 more source
The Mission Accessible Near-Earth Objects Survey: Four years of photometry [PDF]
Over 4.5 years, the Mission Accessible Near-Earth Object Survey (MANOS) assembled 228 Near-Earth Object (NEO) lightcurves. We report rotational lightcurves for 82 NEOs, constraints on amplitudes and periods for 21 NEOs, lightcurves with no detected ...
Binzel, Richard P. +12 more
core +2 more sources
Report of workshop "Future research plans for solid Earth sciences in the Antarctic Ocean"
A workshop on "Future research plans for solid Earth sciences in the Antarctic Ocean" was held on February 17,2000. The main object of the workshop was to make concrete research plans for solid Earth sciences in the Antarctic Ocean by clarifying various ...
Yoshifumi Nogi
doaj +1 more source
FEATURES OF KOTLIN ORBIT ESTIMATION LIBRARY
Since the launch of Sputnik 1, the number of objects in near-earth orbit has been constantly increasing. The growth of number of these objects increases the risk of their collisions with existing satellites and ones which will be launched, that can be ...
L. S. Shakun
doaj +1 more source
HIGH-RISE TEMPERATURE DEPENDENCES FOR ISOTHERMAL SPACE OBJECT OF THE SPHERICAL FORM [PDF]
Thermal balance of spherical space object in a near-earth space is investigated. Analytical description of stationary average temperature of such object in view of the existence of internal sources of thermal emissions and sunlight absorbed by its ...
A. M. Dzitoev +2 more
doaj
Nuclear and Orbital Characterization of the Transition Object (4015) 107P/Wilson–Harrington
Comet 107P/Wilson–Harrington, cross-listed as asteroid 4015, is one of the original transition objects whose properties do not neatly fit into a cometary or asteroidal origin.
Theodore Kareta, Vishnu Reddy
doaj +1 more source
The Discovery of Cometary Activity in Near-Earth Asteroid (3552) Don Quixote [PDF]
The near-Earth object (NEO) population, which mainly consists of fragments from collisions between asteroids in the main asteroid belt, is thought to include contributions from short-period comets as well.
Cruikshank, Dale P. +10 more
core +3 more sources

