Brahe!

…get me my potatofeng!

This Sinatra app downloads the latest AMSAT two-line Keplerian Elements, passing them to the orbit gem for calculation. The results are displayed via Reactrb components.

Installation

Using RVM:

# Install Ruby 2.3.0
rvm install 2.3.0

# Go into the root directory of the repo
cd brahe # rvm should automatically detect and create "brahe" gemset

# Install Bundler
gem install bundler --no-ri --no-rdoc

# Install required gems
bundle

# Start Sinatra
rackup

The page is live at http://localhost:9292/

API

/current

• from=lat,lng,alt_m – optional; specify observation location to get current look angles (altitude optional, assumed zero if omitted)
• ids=sat_id_1,sat_id_2,… – optional; only include certain sats (all sats returned if omitted)
• paths=1 – optional; include ground tracks for each satellite (± 30 minutes)

/passes

• from=lat,lng,alt_m – required; observation location (altitude optional, assumed zero unless specified)
• ids=sat_id_1,sat_id_2,… – required; specify sats