Space-Track

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: DomainSecurity
  url: security/spacetrack-domain-security.yml
- type: Authentication
  url: authentication/spacetrack-authentication.yml
- 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