NASA TLE API (Two-Line Element Set)

Two-line element set (TLE) data for earth-orbiting objects at a given point in time. Hosted in partnership outside api.nasa.gov but listed in the NASA Open APIs catalog. Returns satellite name, NORAD ID, line1, line2, and source attribution.

NASA TLE API (Two-Line Element Set) is one of 17 APIs that NASA Open APIs publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 1 machine-runnable capability that can be deployed as REST, MCP, or Agent Skill surfaces via Naftiko.

Tagged areas include Satellites, Orbital, TLE, Space Situational Awareness, and NASA. The published artifact set on APIs.io includes API documentation, an OpenAPI specification, and 1 Naftiko capability spec.

Documentation GitHub OpenAPI

Documentation

https://tle.ivanstanojevic.me/

Specifications

https://raw.githubusercontent.com/api-evangelist/nasa-gov/refs/heads/main/openapi/tle-openapi.yml

Other Resources

NaftikoCapability

https://raw.githubusercontent.com/api-evangelist/nasa-gov/refs/heads/main/capabilities/tle.yaml

OpenAPI Specification

openapi: 3.0.3
info:
  title: NASA TLE API (Two-Line Element Set)
  description: |
    Two-line element set (TLE) data for earth-orbiting objects at a given point in time. Listed in the NASA
    Open APIs catalog and hosted at tle.ivanstanojevic.me. Returns satellite name, NORAD ID, line1, line2,
    and source attribution.
  version: '1.0'
  contact:
    url: https://tle.ivanstanojevic.me/
  license:
    name: Open Data
servers:
- url: https://tle.ivanstanojevic.me/api
paths:
  /tle:
    get:
      summary: List TLE Records
      operationId: listTle
      tags:
      - TLE
      parameters:
      - name: search
        in: query
        schema:
          type: string
      - name: sort
        in: query
        schema:
          type: string
          enum:
          - id
          - name
          - popularity
          - '-id'
          - '-name'
          - '-popularity'
      - name: sort-dir
        in: query
        schema:
          type: string
      - name: page
        in: query
        schema:
          type: integer
      - name: page-size
        in: query
        schema:
          type: integer
      responses:
        '200':
          description: Paged list of TLE records.
  /tle/{satelliteId}:
    get:
      summary: Get TLE by Satellite ID
      operationId: getTle
      tags:
      - TLE
      parameters:
      - name: satelliteId
        in: path
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: TLE record with line1 and line2.