name: Space-Track
description: US military space surveillance REST API providing Two-Line Element (TLE) sets, conjunction data messages, orbital element sets, satellite catalog data, and decay predictions for tracked satellites and debris operated by the 18th Space Control Squadron.
image: https://www.space-track.org/favicon.ico
tags:
  - Space
  - Satellites
  - TLE
  - Orbital Data
  - Space Surveillance
  - Debris Tracking
  - Conjunction Data
  - US Military
created: "2026-06-13"
modified: "2026-06-13"
url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/apis.yml
specificationVersion: "0.19"
apis:
  - name: Space-Track API
    description: REST API for accessing space surveillance data including General Perturbations (GP/TLE) orbital element sets, satellite catalog, conjunction data messages, decay predictions, and tracking and impact predictions for all tracked Earth-orbiting objects.
    image: https://www.space-track.org/favicon.ico
    humanURL: https://www.space-track.org
    baseURL: https://www.space-track.org
    tags:
      - Satellites
      - TLE
      - Orbital Elements
      - Conjunction Data
      - Debris
      - Space Surveillance
    properties:
      - type: Documentation
        url: https://www.space-track.org/documentation
      - type: TermsOfService
        url: https://www.space-track.org/documentation#user-agreement
      - type: Plans
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/plans/plans.yml
      - type: RateLimits
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/rate-limits/rate-limits.yml
      - type: FinOps
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/finops/finops.yml
      - type: OpenAPI
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/openapi/openapi.json
      - type: JSONSchema
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/json-schema/gp-record.json
      - type: JSONSchema
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/json-schema/satcat-record.json
      - type: Vocabulary
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/vocabulary/vocabulary.json
      - type: JSONLDContext
        url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/json-ld/context.jsonld
    contact:
      - FN: Space-Track Support
        email: https://www.space-track.org/contactus/
    x-api-controllers:
      - name: basicspacedata
        baseURL: https://www.space-track.org/basicspacedata/query/class
        classes:
          - gp
          - gp_history
          - satcat
          - satcat_change
          - satcat_debut
          - decay
          - cdm_public
          - tip
          - boxscore
          - launch_site
          - announcement
          - omm
          - tle
          - tle_latest
          - tle_publish
      - name: expandedspacedata
        baseURL: https://www.space-track.org/expandedspacedata/query/class
        classes:
          - cdm
          - maneuver
          - maneuver_history
          - organization
          - satellite
          - car
    x-authentication:
      type: session-cookie
      loginEndpoint: https://www.space-track.org/ajaxauth/login
      fields:
        - identity
        - password
common:
  - type: Portal
    url: https://www.space-track.org
  - type: Documentation
    url: https://www.space-track.org/documentation
  - type: Login
    url: https://www.space-track.org/auth/login
  - type: Registration
    url: https://www.space-track.org/auth/createAccount
  - type: TermsOfService
    url: https://www.space-track.org/documentation#user-agreement
  - type: Contact
    url: https://www.space-track.org/contactus/
  - type: Plans
    url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/plans/plans.yml
  - type: RateLimits
    url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/rate-limits/rate-limits.yml
  - type: FinOps
    url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/finops/finops.yml
  - type: OpenAPI
    url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/openapi/openapi.json
  - type: JSONLDContext
    url: https://raw.githubusercontent.com/api-evangelist/spacetrack/refs/heads/main/json-ld/context.jsonld
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com