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Exoplanet system · evidence and sources

Kepler-90

Sun-like star with 8 confirmed planets (tying our Solar System), all within Earth's orbit.

Exoplanet Archive · 18 d Position basis, the same label the app shows on the selection card.

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Every aspect, with its origin

One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.

ObservedCatalogComputedReconstructedIllustrativeUndocumented
Position Catalog

Host star position and distance (archive)

Kepler-90 at RA 19 h, Dec 49.3°, 2,790 light-years, spectral type G0V.

SourceNASA Exoplanet Archive, Planetary Systems Composite Parameters · record Kepler-90
Retrieved
MethodTAP query: select hostname,pl_name,hd_name,hip_name,tic_id,gaia_dr2_id,gaia_dr3_id,ra,dec,sy_dist,st_teff,st_rad,st_mass,st_lum,st_spectype,pl_orbsmax,pl_orbper,pl_rade,pl…
Orbit Catalog

Planet orbits (8 confirmed)

Kepler-90b, Kepler-90c, Kepler-90i, Kepler-90d, Kepler-90e, Kepler-90f, Kepler-90g, Kepler-90h: semi-major axes and periods come from the archive's composite parameters. Missing eccentricities or inclinations are filled with explicit defaults recorded per parameter in the snapshot (parameterOrigins), never guessed silently.

SourceNASA Exoplanet Archive, Planetary Systems Composite Parameters · record Kepler-90
Retrieved
MethodElliptical two-body orbits driven by the simulation clock; orbital phase at J2000 is a presentation choice unless a transit mid-time is published.
LimitOrbits are drawn enlarged in the system view for visibility (the app labels the scale). Composite parameters mix references; the archive lists them per value.
Physical data Catalog

Planet sizes and masses

Bulk values come from a composite catalog. Read each parameter record below for its source, limits and calculation status; a catalog entry is not necessarily a measurement.

SourceNASA Exoplanet Archive, Planetary Systems Composite Parameters · record Kepler-90
Retrieved
LimitComposite parameters may combine a measured radius with a mass estimated from a mass-radius relation; the archive flags which.
Appearance Illustrative

Rendered planet appearance

Each planet's colour, banding, clouds and ice are inferred from its bulk density, equilibrium temperature and insolation by an appearance classifier. No exoplanet in this system has a resolved image.

SourceSpace Time rendering contract
LimitIllustrative. The classifier is deterministic and the same numbers always give the same look.
Description Undocumented

Description and facts

The short description and the fact list are written by the Space Time authors for orientation. They are not quoted from a catalog field and carry no citation of their own.

SourceSpace Time editorial text
LimitBackground reading is linked under Further reading; it is not the source of the displayed numbers.

What is not measured

  • Appearance: a picture, not a measurement. Rendered planet appearance. Illustrative. The classifier is deterministic and the same numbers always give the same look.

Not yet documented

  • Description: Background reading is linked under Further reading; it is not the source of the displayed numbers.

Dataset freshness

Snapshots this page depends on, read from the generated manifests at request time.
DatasetBundle updatedHorizonAutomated
Exoplanet systems (pscomppars)
NASA Exoplanet Archive
Source retrieved:
Confirmed planets only; composite parameters as published at the snapshot Yes, weekly (Trigger.dev)
Trigger.dev → private Blob snapshots
Last successful check: 5 October 2026 · success

Sources cited

Further reading

Wikipedia: Kepler-90 (background only; not the source of the displayed numbers)

More

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