Results 31 to 40 of about 3,567 (259)
On the elements of the orbit of O∑ 387 [PDF]
Astronomische Nachrichten, 1898 n ...
openaire +2 more sources
Catalogue of comets passing through perihelion in 2014
Вісник Астрономічної школи, 2013 The catalog of 80 comets, mostly shortperiodic, passing the perihelion of its orbit in 2014. The catalog includes three tables with circumstances of the passage of comets through perihelion, the elements of their orbits, and data concerning the discovery
K. I. Churyumov
doaj +1 more source
Nilpotent Orbits and Commutative Elements
Journal of Algebra, 1997 AbstractLetWbe a simply laced Coxeter group with generating setS, and letWcdenote the subset consisting of those elements whose reduced expressions have no substrings of the formstsfor any non-commutings,t∈S. We give a root system characterization ofWc, and in the case whereWcorresponds to a finite Weyl group, show thatWcis a union of Spaltenstein ...
C.Kenneth Fan, John R. Stembridge
openaire +2 more sources
Remote Sensing, 2023 The number of resident space objects (RSOs) has been steadily increasing over time, posing significant risks to the safe operation of on-orbit assets. The accurate prediction of potential collision events and implementation of effective and nonredundant ...
Hui Xie +5 more
doaj +1 more source
Statistical distributions of Centaurs' orbital elements
Вісник Астрономічної школи, 2011 In this paper the Centaurs' orbital elements distribution is considered. Centaurs under consideration are 82 currently known objects with perihelia in the domain of giant planets and aphelia below 50 AU.
N. S. Kovalenko
doaj +1 more source
New orbital elements of 5 interferometric double stars [PDF]
Serbian Astronomical Journal, 1999 In this paper, for the first time, are presented elliptical and Thiel- Innes orbitatal elements for the following interferometric pairs: WDS 00416+2438 = WRH, WDS 03271+1845 = CHARA 10, WDS 04044+2406 = McA 13 Aa, WDS 17095+4047 = McA 45 and WDS
Olević D., Jovanović P.
doaj +1 more source
Mean Orbital Elements of a Near-Circular Orbiting Artificial Satellite due to the Earth's Zonal Potentials [PDF]
Journal of Astronomy and Space Sciences, 1988 The short and long periodic perturbations and secular perturbation due to the geopotentials of degree J2 and J3 which affect orbital elements of a near-circular satellite are obtained by the analytical method.
Pil-Ho Park, Kyu-Hong Choi
doaj
Elements of the orbit of γ Virginis [PDF]
Astronomische Nachrichten, 1908 n ...
openaire +2 more sources
NORAD TLE Conversion from Osculating Orbital Element [PDF]
Journal of Astronomy and Space Sciences, 2002 The NORAD type Two Line Element (TLE) was obtained from the osculating orbital elements by an iterative approximation procedure. The mathematical model was presented and computer program was developed for the conversion.
Byoung-Sun Lee
doaj +1 more source
Loss of proton‐sensing GPR4 reduces tumor progression in mouse models of colon cancer
Molecular Oncology, EarlyView.G protein‐coupled receptor 4 (GPR4) is a pH‐sensing receptor activated by acidic pH. GPR4 expression is increased in patients with inflammatory bowel disease who are at high risk of developing colorectal cancer. In mouse models, loss of GPR4 attenuated tumor progression. This correlated with increased IL2 and natural killer cell activity.
Leonie Perren +16 more
wiley +1 more source