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Questions tagged [satellite]

A natural or artificial object orbiting near a bigger object (typically a planet)

245 questions
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draw satellite covarage zone on equirectangular projection

I need to draw borders of the observation zone of satellite on equirectangular projection. I found this formulas (1) and figure: sin(fi) = cos(alpha) * sin(fiSat) – sin(alpha) * sin (Beta) * cos (fiSat); sin(lambda) = (cos(alpha) * cos(fiSat) *…
Raccoon
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Finding the closest ground pixel on an irregular grid for given coordinates

I work with satellite data organised on an irregular two-dimensional grid whose dimensions are scanline (along track dimension) and ground pixel (across track dimension). Latitude and longitude information for each ground pixel are stored in…
stm4tt
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Formatting python datetime object as argument

Somewhat new to python but trying to use it for satellite orbit analysis. I'm really not getting the datetime object and methods. I want to be able to pass a datetime object to a function that accepts arguments in essentially the same format that…
Jesse Reich
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Plotting satellite swath data using pyresample

I am trying to plot a full swath orbit of ASCAT ocean wind vectors and its wvc quality flags using the pyresample module. A link to ASCAT the netcdf files can be found here: ftp://podaac-ftp.jpl.nasa.gov/allData/ascat/preview/L2/metop_a/12km/ From…
Jason
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How do I convert TLE information to longitude latitude and altitude to display on a Bing Map?

I am using the OrbitTools library to develop a satellite tracking system using the Bing Maps Silverlight control similar to http://karhukoti.com. I am not knowledgeable in this domain and lack a lot of the information related to satellite tracking…
bahith
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how to do i get the status of satellites i.e. alive or dead while flight is in air

I'm just planning to build small app in Android which checks the status of satellite i.e. alive or dead. In airplane cabin, crew member can use internet from the mulitple Wireless Access Point which are connected to Satellite modem. The satellite…
sia
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Google maps: change from map view to satellite view

I have a google map with javascript and i want after zoom in 100%,(full zoom) change the mode map from map view to satellite view, how done it in following javascript code? DEMO:http://jsfiddle.net/keL4L2h0/ //////// Loading Google Map…
Me hdi
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PyEphem - Error next_pass()

trying to calculate is the time that a satellite rises above the horizon of an observer (TO), the time the satellite reaches the maximum elevation above the horizon (TCA) and the time a satellite passes below the observer's horizon (LOS) in a…
Luiz Gustavo Moura
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ECEF from Azimuth, Elevation, Range and Observer Lat,Lon,Alt

I'm trying to write a basic python script that will track a given satellite, defined with tle's, from a given location. I'm not a asto/orbital person but am trying to become smarter on it. I am running into a problem when I try to convert the…
user2084330
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Android Google Maps satellite view turns black when zooming in

I use the Google Maps with satellite view which usually works fine. Now I've the following problem: When I zoom in very far the whole map turns black. It only happens in some areas (my case: Stevens Point, Wisconsin, USA), but not in other areas…
peitek
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Dplyr Summarise on Multiple Conditions

So I am working on some data visualisations of satellite populations, I would like to display for each month and altitude, how many satellites were launched into each orbit. I have a list (snippet below, which is fake data). I am trying to create a…
blueriver212
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Plotting an orbit in 3D space around the earth with a TLE

Im trying to create a 3D scene in JS/React where I can plot the orbit of the ISS around earth, I've currently forked this repo https://github.com/dsuarezv/satellite-tracker Ive noticed that this only seems to display ground tracked orbits, what I…
MacaScull
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Modify gps-sdr-sim to point antennas away from Earth's nadir

I'm currently trying to simulate the performance of a a custom PNT satellite constellation I have designed in software. I have parsed the satellite ephemeris data into RINEX Navigation file format and fed it successfully into gps-sdr-sim. However, I…
Macuser
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Display Earth map in Azimuthal Equidistant Projection

I have to display the Earth's map in azimuthal equidistant projection, by giving the lattitude and longnitude as input in Matlab. I am using the eqdazim projection, but I am still getting the map with point (0,0) in the center. I want to be able to…
KS0232
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Is it legit to generate a TLE (Two-Line-Element) file from instantaneous Kepler elements?

Since TLE Elements are in essence mean elements, is it possible to generate a TLE from instantaneous Kepler elements?
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