1.0.1 • Published 10 years ago

tle-parser v1.0.1

Weekly downloads
6
License
ISC
Repository
github
Last release
10 years ago

tle-parser

npm version Build Status Dependency Status devDependency Status

Two-line Element Set (TLE) parser library

Installation

npm install tle-parser

API

Module import

As a ES2015+ module

import parser from 'tle-parser'

As a CommonJS module (≤ES5)

var parser = require('tle-parser').parser

parser

Parses a TLE and returns a human readable object of the orbital elements. (Two and three line TLEs are supported)

Parameters

  • tle string The TLE as a string (with line breaks etc.)

Returns Elements Object containing the TLEs orbital elements.

Examples

import parser from 'tle-parser'
const tle = `0 ISS (ZARYA)
1 25544U 98067A   15310.90801927  .00009031  00000-0  13975-3 0  9997
2 25544  51.6440  91.7795 0006748 114.3849  28.9641 15.54854844970245`
const elements = parser(tle)

Elements

Properties

  • name string Name of the object
  • intl_designator string International Designator (YYYY-NNNAAA)
  • catalog_number string Satellite Catalog Number (NNNNN)
  • classification_type string Classification Type
  • epoch string Epoch as an ISO8601/RFC3339 style date
  • inclination number Inclination degrees
  • eccentricity number Eccentricity
  • right_ascension number Right Ascension of the Ascending Node degrees
  • argument_of_periapsis number Argument of Perigee degrees
  • mean_anomaly number Mean Anomaly degrees
  • mean_motion number Mean Motion revolutions * day^-1
  • mean_motion_dot number First time derivative of the Mean Motion (already multiplied by 2) revolutions * day^-2
  • mean_motion_dot_dot number Second time derivative of the Mean Motion (already multiplied by 6) revolutions * day^-3
  • b_star number B* drag term earthRadii^-1
  • revolutions_at_epoch number Revolution Number at Epoch
  • element_set_number number Element Set Number
  • ephemeris_type number Element Set Type

CLI

npm install -g tle-parser
tle2json -o elements.json file-with.tle
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