An orbital analytics library for ruby.
Install the gem and add to the application's Gemfile by executing:
bundle add korbaIf bundler is not being used to manage dependencies, install the gem by executing:
gem install korbaorbit = Korba::Tle.new(<<~TLE)
ISS (ZARYA)
1 25544U 98067A 24342.85930654 .00018474 00000+0 32681-3 0 9991
2 25544 51.6381 174.9565 0006817 314.0303 175.4461 15.50337242485488
TLE
orbit.semi_major_axis
# => 6793877.649839985
orbit.height_at_perigee
# => 411109.2634460889
orbit.height_at_apogee
# => 420372.03623388056
kep = orbit.to_kep
# =>
# #<Korba::Kep:xxxxxxxxxxxxxxxx
# @arg_of_pericenter=314.0303,
# @eccentricity=0.0006817,
# @epoch="2024-12-07T20:37:24.085055",
# @inclination=51.6381,
# @mean_anomaly=175.4461,
# @object_name="ISS (ZARYA)",
# @ra_of_asc_node=174.9565,
# @semi_major_axis=6793877.649839985>
kep.to_car
# =>
# #<Korba::Car:xxxxxxxxxxxxxxxx
# @epoch="2024-12-07T20:37:24.085055",
# @object_name="ISS (ZARYA)",
# @vx=6150.772410883998,
# @vy=2489.3298780751356,
# @vz=-3816.0301666253677,
# @x=4019753.8621700387,
# @y=-3623966.518673545,
# @z=4114361.6934797494>- 宇宙工学シリーズ 3 人工衛星と宇宙探査機
- 人工衛星の軌道 概論
- SGP4
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and the created tag, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/kk0000-kk/korba.