Results 151 to 160 of about 26,872 (287)
Software Development of High-Precision Ephemerides of Solar System [PDF]
We solved n-body problem about 9 plants, moon, and 4 minor planets with relativistic effect related to the basic equation of motion of the solar system. Perturbations including figure potential of the earth and the moon and solid earth tidal effect were ...
Jong-Seob Shin+4 more
doaj
Cometary ephemerides - needs and concerns [PDF]
With the use of narrow field-of-view instrumentation on faint comets, the accuracy requirements upon computed ephemerides are increasing. It is not uncommon for instruments with a one arc minute field-of-view to be tracking a faint comet that is not ...
Yeomans, D. K.
core +1 more source
The low Earth orbit (LEO) satellite internet network (LEO-SIN) has become a heated issue for the next generation of mobile communications, serving as a crucial means to achieve global wide-area broadband coverage and, especially, mobile phone directly to
Wenliang Lin+10 more
doaj +1 more source
The Potentially Hazardous Asteroid 2000 SG344
We computed impact solutions for the potentially dangerous asteroid 2000 SG344, based on 31 optical observations from 1999 May 15.20482 UTC to 2010 October 29 03.60723 UTC.
Wlodarczyk I.
doaj +1 more source
The Implementation of Precise Point Positioning (PPP): A Comprehensive Review. [PDF]
Elsheikh M+3 more
europepmc +1 more source
Ephemeride des Tempelschen Cometen [PDF]
n ...
openaire +3 more sources
Neutron star mass estimates from gamma-ray eclipses in spider millisecond pulsar binaries. [PDF]
Clark CJ+28 more
europepmc +1 more source
Elemente und Ephemeride des Cometen 1892 … (Swift März 6) [PDF]
E. Lamp
openalex +1 more source
Oppositions‐Ephemeride der Undina [PDF]
n ...
openaire +3 more sources
Active Control Loop of the BOROWIEC SLR Space Debris Tracking System. [PDF]
Suchodolski T.
europepmc +1 more source