Available API

Astronomy

NASA exoplanets and bright stars, JPL planetary satellites and every paged SBDB asteroid/comet, the 88 IAU constellations, and OpenNGC deep-sky objects with Messier cross-references.

Test with your key View pricing

Status: 7/7 sources healthy
Contract: 1.0.0
Data version: astronomy-premium-2026.09.01+1788288544
Current records: 1,595,831
Normal pull: monthly full catalog reconciliation
Full reconciliation: monthly

Coverage

What this API contains

Versioned solar-system, stellar, exoplanet, minor-body, and deep-sky object knowledge.

Endpoints

Built for direct use

/apis/astronomy/objects · 1 credit/apis/astronomy/objects/{id} · 1 credit/apis/astronomy/search · 1 credit/apis/astronomy/planets · 1 credit/apis/astronomy/moons · 1 credit/apis/astronomy/exoplanets · 1 credit

Standard list, search, detail, relationship, and conversion calls cost one credit. Bulk exports cost 100 credits.

Bounded preview

See the shape of the data

These are up to five fixed records from the current release. The preview has no paging, search, or export controls. A developer account and API key are required to query the full dataset.

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Source record

Where the data comes from

Healthy

International Astronomical Union Constellations

official 88 constellation identities, abbreviations and genitives

Publisher: iauarchive.eso.org
Last successful pull: Sep 1, 2026 · 6:49 PM UTC
License / terms: IAU public reference; redistribution review required
Reuse review: Commercial: review_required · Redistribution: review_required

Healthy

JPL Planetary Satellite Discovery Catalog

complete known planetary satellite identity and discovery catalog

Publisher: ssd.jpl.nasa.gov
Last successful pull: Aug 30, 2026 · 12:24 AM UTC
License / terms: U.S. government data with cited third-party research
Reuse review: Commercial: review_required · Redistribution: review_required

Healthy

NASA Exoplanet Archive Planetary Systems Composite Parameters

confirmed exoplanet composite catalog

Publisher: exoplanetarchive.ipac.caltech.edu
Last successful pull: Aug 30, 2026 · 12:23 AM UTC
License / terms: NASA/IPAC archive terms and cited literature apply
Reuse review: Commercial: review_required · Redistribution: review_required

Healthy

NASA HEASARC Bright Star Catalog

complete published BSC5P table

Publisher: heasarc.gsfc.nasa.gov
Last successful pull: Sep 1, 2026 · 6:49 PM UTC
License / terms: U.S. government public data
Reuse review: Commercial: True · Redistribution: True

Healthy

NASA/JPL Small-Body Database Query API

paged complete query of current asteroid and comet catalog

Publisher: ssd-api.jpl.nasa.gov
Last successful pull: Sep 1, 2026 · 6:49 PM UTC
License / terms: U.S. government public data
Reuse review: Commercial: True · Redistribution: True

Healthy

OpenNGC Addendum

non-NGC/IC and Messier-related addendum

Publisher: github.com
Last successful pull: Sep 1, 2026 · 6:49 PM UTC
License / terms: CC BY-SA 4.0
Reuse review: Commercial: True · Redistribution: True

Healthy

OpenNGC NGC/IC Catalog

NGC/IC deep-sky identities and cross-references

Publisher: github.com
Last successful pull: Sep 1, 2026 · 6:49 PM UTC
License / terms: CC BY-SA 4.0
Reuse review: Commercial: True · Redistribution: True