NASA Exoplanet Archive — All Confirmed Planets (Composite Parameters)

DatasetCSV.GZOpenExoplanetsNASAAstronomySpaceScienceFree

6,360 confirmed exoplanets with host star, discovery method, year and facility, orbital period and semi-major axis, radius and mass in Earth units, equilibrium temperature, stellar temperature, radius and mass, distance and sky coordinates, from the Planetary Systems Composite Parameters table as of 2026-09-05.

Use Cases

Astronomy teaching datasets
Discovery-method trend analysis
Habitable-zone screening

Methodology

Single TAP query against pscomppars with an explicit column list.

Update Schedule

Static snapshot. The archive updates weekly; refresh monthly.

Attribution

Source: NASA Exoplanet Archive, operated by Caltech under contract with NASA.

Schema

name	type
pl_name	string
hostname	string
sy_snum	integer
sy_pnum	integer
discoverymethod	string
disc_year	integer
disc_facility	string
pl_orbper	number
pl_orbsmax	number
pl_rade	number
pl_bmasse	number
pl_eqt	number
st_teff	number
st_rad	number
st_mass	number
sy_dist	number
ra	number
dec	number

Sample Data

ra	dec	pl_eqt	st_rad	pl_name	pl_rade	st_mass	st_teff	sy_dist	sy_pnum	sy_snum	hostname	disc_year	pl_bmasse	pl_orbper	pl_orbsmax	disc_facility	discoverymethod
6.0851069	-56.6499880	210.84	1.190000	HD 2039 b	12.70000000	1.230000	5945.00	85.69220000	1	1	HD 2039	2002	1999.15070000	1120.00000000000	2.2000000000	Anglo-Australian Telescope	Radial Velocity
343.0414932	35.4471778	1713.00	1.570000	HAT-P-8 b	15.69260000	1.270000	6200.00	211.55300000	1	3	HAT-P-8	2008	406.82240000	3.07634000000	0.0449600000	HATNet	Transit
169.1170280	-3.9754405	939.30	0.542000	K2-43 b	4.51000000	0.571000	3840.60	182.53600000	2	1	K2-43	2016	18.50000000	3.47114900000	0.0378400000	K2	Transit
288.2366640	46.6058744	583.00	0.769000	Kepler-1753 b	2.22678077	0.860000	5180.00	707.68800000	1	1	Kepler-1753	2021	5.59000000	16.00460052000	0.1179000000	Kepler	Transit
297.9197240	45.2742038	595.00	1.020000	Kepler-1176 b	2.45000000	1.010000	5844.00	864.69900000	1	1	Kepler-1176	2016	6.57000000	24.17385790000	0.1589000000	Kepler	Transit

Get this via API

# 1. Add dAgentBase once, in any MCP client. No install, no vendor keys.
#    Claude.ai / Claude Desktop: Settings -> Connectors -> Add custom connector
#    Cursor / Claude Code / others: mcp.json
{
  "mcpServers": {
    "dagentbase": {
      "url": "https://dagentbase.com/api/mcp",
      "headers": { "Authorization": "Bearer dm_live_YOUR_KEY" }
    }
  }
}

# 2. Then ask your agent, in plain language:
#    "Preview 'NASA Exoplanet Archive — All Confirmed Planets (Composite Parameters)' and, if it fits, claim it and download the files."
#    Tools it will use: search_listings -> preview_listing -> purchase_listing -> get_download_urls

# 1. Add dAgentBase once, in any MCP client. No install, no vendor keys.
#    Claude.ai / Claude Desktop: Settings -> Connectors -> Add custom connector
#    Cursor / Claude Code / others: mcp.json
{
  "mcpServers": {
    "dagentbase": {
      "url": "https://dagentbase.com/api/mcp",
      "headers": { "Authorization": "Bearer dm_live_YOUR_KEY" }
    }
  }
}

# 2. Then ask your agent, in plain language:
#    "Preview 'NASA Exoplanet Archive — All Confirmed Planets (Composite Parameters)' and, if it fits, claim it and download the files."
#    Tools it will use: search_listings -> preview_listing -> purchase_listing -> get_download_urls

Free

one time · open license

Details

Rows6,360

Size335 KB

Files1

FormatCSV.GZ

Available formats

CSV.GZ335 KB

Freeopen