Data and Attribution

Data & Attribution

Last updated: 2026-06-09

What this data page answers

Where T-Minus Zero gets public launch data

This page reflects the current source inventory used by T-Minus Zero. Sources are grouped into core feed providers and feature-specific providers so users can see which upstream systems support launch schedules, mission pages, satellites, trajectory features, weather context, and related catalog views.

We do not imply endorsement by any government agency, provider, source, or publisher.

Source inventory

12 tracked source references

Core feed sources: 3
Feature sources: 9

Freshness and attribution notes

How to read freshness

Launch, satellite, weather, media, procurement, and trajectory records update on different cadences. Individual launch and catalog pages show the freshest source fields available for that page; this page explains the source families and attribution boundaries.

Data interpretation boundaries

What this page does not claim

Source attribution is not a guarantee of availability, completeness, endorsement, or official status. When upstream sources omit payload, timing, orbital, image-license, or mission details, T-Minus Zero labels that uncertainty on the relevant public page.

Core feed sources

Launch Library 2 (The Space Devs)
Primary launch schedule, mission, provider, and pad metadata.
Primary launch feed source.
Source policy / docs
Spaceflight News API (The Space Devs)
News/article metadata linked to launches and providers.
Headlines and summaries link to original publishers.
Source policy / docs
National Weather Service (api.weather.gov)
Pad-location weather forecasts and weather icons for launch timing.
NOAA/NWS data is used as-is; no endorsement is implied.
Source policy / docs

Feature-specific sources

45th Weather Squadron forecast documents
Launch weather risk signals on select launch detail views.
Displayed on weather panels where available.
Source policy / docs
Open-Meteo Forecast API
Cloud-cover and visibility forecast inputs for Jellyfish Exposure Potential scoring.
Displayed on the launch visibility panel alongside NWS or mixed-source context when applicable.
Source policy / docs
FAA TFR/NOTAM feeds
Launch airspace advisories and temporary flight restriction overlays.
Airspace views link back to FAA source pages where available.
Source policy / docs
CelesTrak
Satellite catalog and orbital element data for satellite and trajectory features.
Used on satellite and trajectory-related surfaces.
Source policy / docs
U.S. Coast Guard NAVCEN BNM feed
Maritime hazard notices on launch detail and hazard-area intelligence in trajectory constraint models.
Used for trajectory products; source coverage depends on published notices.
Source policy / docs
NASA Artemis + U.S. public-sector program data
Artemis timelines, program evidence, imagery, and oversight/procurement context.
NASA content is used with source acknowledgment and no implied endorsement.
Source policy / docs
NASA Image and Video Library
Launch, rocket, and pad photography in launch detail photo galleries.
NASA imagery is credited per photo; no NASA endorsement is implied.
Source policy / docs
DVIDS (Defense Visual Information Distribution Service)
U.S. Space Force and DoD launch/range photography in launch detail photo galleries.
Photographer and unit are credited per photo; the appearance of DoD visual information does not imply or constitute DoD endorsement.
Source policy / docs
Wikimedia Commons
Freely licensed community launch photography in launch detail photo galleries.
Only public domain and CC BY / CC BY-SA images are used; author and license are credited per photo with links to the source file page.
Source policy / docs

Feature-specific sources may appear only on eligible launches, mission pages, satellites, or trajectory surfaces.

Data relationship map

Related trust and support pages

AboutProduct purpose, source boundaries, and how public data is presented.SupportReport a source, freshness, or attribution issue.Privacy NoticeHow account, notification, and preference data is handled.

TMinusZero

Preparing the latest launch data.

Where T-Minus Zero gets public launch data

We do not imply endorsement by any government agency, provider, source, or publisher.

Core feed sources

Launch Library 2 (The Space Devs)

Primary launch schedule, mission, provider, and pad metadata.

Primary launch feed source.

Source policy / docs

Spaceflight News API (The Space Devs)

News/article metadata linked to launches and providers.

Headlines and summaries link to original publishers.

Source policy / docs

National Weather Service (api.weather.gov)

Pad-location weather forecasts and weather icons for launch timing.

NOAA/NWS data is used as-is; no endorsement is implied.

Source policy / docs

Feature-specific sources

45th Weather Squadron forecast documents

Launch weather risk signals on select launch detail views.

Displayed on weather panels where available.

Source policy / docs

Open-Meteo Forecast API

Cloud-cover and visibility forecast inputs for Jellyfish Exposure Potential scoring.

Displayed on the launch visibility panel alongside NWS or mixed-source context when applicable.

Source policy / docs

FAA TFR/NOTAM feeds

Launch airspace advisories and temporary flight restriction overlays.

Airspace views link back to FAA source pages where available.

Source policy / docs

CelesTrak

Satellite catalog and orbital element data for satellite and trajectory features.

Used on satellite and trajectory-related surfaces.

Source policy / docs

U.S. Coast Guard NAVCEN BNM feed

Maritime hazard notices on launch detail and hazard-area intelligence in trajectory constraint models.

Used for trajectory products; source coverage depends on published notices.

Source policy / docs

NASA Artemis + U.S. public-sector program data

Artemis timelines, program evidence, imagery, and oversight/procurement context.

NASA content is used with source acknowledgment and no implied endorsement.

Source policy / docs

NASA Image and Video Library

Launch, rocket, and pad photography in launch detail photo galleries.

NASA imagery is credited per photo; no NASA endorsement is implied.

Source policy / docs

DVIDS (Defense Visual Information Distribution Service)

U.S. Space Force and DoD launch/range photography in launch detail photo galleries.

Photographer and unit are credited per photo; the appearance of DoD visual information does not imply or constitute DoD endorsement.

Source policy / docs

Wikimedia Commons

Freely licensed community launch photography in launch detail photo galleries.

Only public domain and CC BY / CC BY-SA images are used; author and license are credited per photo with links to the source file page.

Source policy / docs

Feature-specific sources may appear only on eligible launches, mission pages, satellites, or trajectory surfaces.