NASA

Search current two-line element sets (orbital elements for Earth-orbiting objects) by satellite name. THIRD-PARTY SERVICE: this is served by tle.ivanstanojevic.me, an independent mirror listed in NASA's API catalogue but neither hosted nor operated by NASA; it republishes CelesTrak data daily. No NASA API key is sent to it. It rate-limits aggressively and has answered 403 and 508 under light use via GET https://tle.ivanstanojevic.me/api/tle

Retrieve one two-line element set by NORAD satellite number (for example 25544, the International Space Station). THIRD-PARTY SERVICE: served by tle.ivanstanojevic.me, an independent mirror listed in NASA's API catalogue but neither hosted nor operated by NASA, republishing CelesTrak data. No NASA API key is sent to it via GET https://tle.ivanstanojevic.me/api/tle/{q}

List EONET's event categories -- the `id` values (`wildfires`, `volcanoes`, `severeStorms` and the rest) that the event listings filter on via GET https://eonet.gsfc.nasa.gov/api/v3/categories

List the EONET natural events in one category, with the same filters as the events listing via GET https://eonet.gsfc.nasa.gov/api/v3/categories/{category}

List curated natural events -- wildfires, storms, volcanoes, sea and lake ice, dust and haze -- from EONET, the Earth Observatory Natural Event Tracker, each with its categories, sources and dated geometries via GET https://eonet.gsfc.nasa.gov/api/v3/events

The same EONET natural events as the events listing, rendered as a GeoJSON FeatureCollection for mapping clients via GET https://eonet.gsfc.nasa.gov/api/v3/events/geojson

List the EONET web-service image layers (WMS, WMTS and friends) that can be paired with an event, grouped by category via GET https://eonet.gsfc.nasa.gov/api/v3/layers

List the EONET web-service image layers associated with one event category via GET https://eonet.gsfc.nasa.gov/api/v3/layers/{category}

Retrieve the manifest for one NASA Image and Video Library asset: the list of media files it holds and the URL of each via GET https://images-api.nasa.gov/asset/{nasa_id}

Retrieve the location of a VIDEO asset's caption file. Only video assets have one: an image id answers 400 'Captions require video', and an unknown id answers 404 via GET https://images-api.nasa.gov/captions/{nasa_id}

Run a table query against NASA's Exoplanet Archive at IPAC/Caltech: confirmed planets, Kepler objects of interest and the other hosted tables, filtered by a SQL-style `where` clause. The service reports an invalid table or clause in a 200 body beginning `ERROR`, not with an HTTP error status, so read the body via GET https://exoplanetarchive.ipac.caltech.edu/cgi-bin/nstedAPI/nph-nstedAPI

List coronal mass ejections with their observing instruments and analyses. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/CME

List the measured analyses of coronal mass ejections -- speed, direction, half angle and arrival modelling. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/CMEAnalysis

List solar flares with their class, peak time and source location. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/FLR

List geomagnetic storms with their observed Kp indices and the solar events linked to them. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/GST

List high-speed solar wind stream events. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/HSS

List interplanetary shocks with the spacecraft that observed each one. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/IPS

List magnetopause crossing events. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/MPC

List the notification messages the Space Weather Research Center issued. The window is capped at 30 days -- a wider request is silently narrowed to the 30 days ending at `endDate` -- and defaults to the last 7 days. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/notifications

List radiation belt enhancement events. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/RBE

List solar energetic particle events and the instruments that saw them. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/SEP

List WSA+Enlil heliospheric model runs with their inputs and predicted shock arrivals. The window defaults to the last 7 days rather than the 30 the other DONKI services default to. Part of DONKI, the Space Weather Database Of Notifications, Knowledge, Information, which chronicles the Space Weather Research Center's daily analyses via GET https://api.nasa.gov/DONKI/WSAEnlilSimulations

List the DSCOVR EPIC enhanced-colour image metadata for the most recent date that has imagery via GET https://api.nasa.gov/EPIC/api/enhanced

List every date that has DSCOVR EPIC enhanced-colour imagery, as objects carrying a `date` field via GET https://api.nasa.gov/EPIC/api/enhanced/all

List every date that has DSCOVR EPIC enhanced-colour imagery, as a bare array of date strings. The same information as the `all` listing in a flatter shape via GET https://api.nasa.gov/EPIC/api/enhanced/available

List the DSCOVR EPIC enhanced-colour image metadata captured on one calendar date via GET https://api.nasa.gov/EPIC/api/enhanced/date/{date}

List the DSCOVR EPIC natural-colour image metadata for the most recent date that has imagery via GET https://api.nasa.gov/EPIC/api/natural

List every date that has DSCOVR EPIC natural-colour imagery, as objects carrying a `date` field via GET https://api.nasa.gov/EPIC/api/natural/all

List every date that has DSCOVR EPIC natural-colour imagery, as a bare array of date strings. The same information as the `all` listing in a flatter shape via GET https://api.nasa.gov/EPIC/api/natural/available

List the DSCOVR EPIC natural-colour image metadata captured on one calendar date via GET https://api.nasa.gov/EPIC/api/natural/date/{date}

Retrieve one biospecimen record from the NASA Open Science Data Repository, expanded. Biospecimen identifiers are numbers such as `24895` via GET https://osdr.nasa.gov/geode-py/ws/api/biospecimen/{identifier}

List every biospecimen record in the NASA Open Science Data Repository. A biospecimen is a sample taken from a subject. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/biospecimens

Retrieve one experiment record from the NASA Open Science Data Repository, expanded. Experiment identifiers look like `OS-118` via GET https://osdr.nasa.gov/geode-py/ws/api/experiment/{identifier}

List every experiment record in the NASA Open Science Data Repository. An experiment is one investigation flown or run on the ground. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/experiments

List every hardware record in the NASA Open Science Data Repository. Hardware is the flight equipment a payload used. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/hardware

Retrieve one hardware record record from the NASA Open Science Data Repository, expanded. Hardware identifiers are NUMBERS in the listing (for example `133`), not the equipment's name -- a name answers 400 'Invalid document' via GET https://osdr.nasa.gov/geode-py/ws/api/hardware/{identifier}

Retrieve one mission record from the NASA Open Science Data Repository, expanded. Mission identifiers are flight names such as `SpaceX-12`, and the record carries aliases, dates and links to its vehicles and payloads via GET https://osdr.nasa.gov/geode-py/ws/api/mission/{identifier}

List every mission record in the NASA Open Science Data Repository. A mission is a flight such as STS-40 or SpaceX-12. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/missions

Retrieve one payload record from the NASA Open Science Data Repository, expanded. Payload identifiers are names such as `BIOCORE` via GET https://osdr.nasa.gov/geode-py/ws/api/payload/{identifier}

List every payload record in the NASA Open Science Data Repository. A payload is a flown experiment package. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/payloads

Retrieve one subject record from the NASA Open Science Data Repository, expanded. Subject identifiers are numbers such as `195` via GET https://osdr.nasa.gov/geode-py/ws/api/subject/{identifier}

List every subject record in the NASA Open Science Data Repository. A subject is an organism studied -- the mice, plants or microbes a study was run on. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/subjects

Retrieve one vehicle record from the NASA Open Science Data Repository, expanded. Vehicle identifiers are names such as `Columbia` via GET https://osdr.nasa.gov/geode-py/ws/api/vehicle/{identifier}

List every vehicle record in the NASA Open Science Data Repository. A vehicle is the spacecraft or launcher flown. Each row carries the URL of that record's own single-object endpoint, which is the input to the matching lookup tool via GET https://osdr.nasa.gov/geode-py/ws/api/vehicles

Per-Sol weather summaries (temperature, wind and pressure) from NASA's InSight lander at Elysium Planitia on Mars, for the last seven available Sols. Values are recalculated as more data is downlinked, and whole sensors are missing for some Sols because the lander was managing its power budget via GET https://api.nasa.gov/insight_weather/

Retrieve the location of one asset's full metadata document. The reply is the URL of a JSON file on images-assets.nasa.gov, not the metadata itself via GET https://images-api.nasa.gov/metadata/{nasa_id}

List near-Earth asteroids by their closest-approach date to Earth, with size, velocity and miss-distance for each approach. The data comes from the NASA JPL asteroid team via GET https://api.nasa.gov/neo/rest/v1/feed

Page through the whole near-Earth object data set, independent of any approach date via GET https://api.nasa.gov/neo/rest/v1/neo/browse

Retrieve one near-Earth asteroid by its NASA JPL small-body SPK-ID, with its orbital elements and its full close-approach history via GET https://api.nasa.gov/neo/rest/v1/neo/{asteroid_id}

List the data files of one or more Open Science Data Repository studies, with each file's category, size and download path. The `remote_url` in each row is relative: prefix it with https://osdr.nasa.gov to download via GET https://osdr.nasa.gov/osdr/data/osd/files/{OSD_STUDY_IDs}

Retrieve the complete ISA-Tab metadata for one Open Science Data Repository study: its investigation, studies, assays, protocols, factors and ontology references via GET https://osdr.nasa.gov/osdr/data/osd/meta/{OSD_STUDY_ID}

Full-text and faceted search over Open Science Data Repository study metadata, and optionally over three federated omics databases. Answers the underlying Elasticsearch response, hits and all via GET https://osdr.nasa.gov/osdr/data/search

Retrieve the Astronomy Picture of the Day: its image or video URL, title, explanation and copyright. With no arguments this answers today's entry; a date, a date range or a random count each answer a different selection via GET https://api.nasa.gov/planetary/apod

Search the NASA Image and Video Library (images.nasa.gov) across images, video and audio. At least one search term is needed -- a request with no criteria answers 400 'Expected q text search parameter or other keywords' via GET https://images-api.nasa.gov/search