UPSA Object Registry
Registry · exoplanet

Kepler-226 b

Exoplanet 26 papers
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
19h 29m 30.26s
Declination
+47° 52′ 51.5″
Galactic l, b
79.988, 13.86
Magnitude V
15.56
Distance
980.14 pc

Also known as

1 identifiers

Kepler-226b

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-226
DiscoveryTransit, 2014 · Kepler
Orbital period3.941 d
Semi-major axis0.047 au
Eccentricity0
Radius1.55 R⊕ · 0.138 R♃
Mass24 M⊕ · 0.076 M♃
Density35.4 g/cm³
Equilibrium temperature1,018 K
System distance980.14 pc

Recorded parameters

1 quantity with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 24 M_earth ± 11.8 Transit NASA Exoplanet Archive Hadden et al. 2014

Published measurements

5 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Radius 10 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.644 R_earth ± 0.113 Transit NASA Exoplanet Archive Berger et al. 2018 2018
1.696 R_earth ± 0.088 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
1.68 R_earth ± 0.17 Transit NASA Exoplanet Archive Morton et al. 2016 2016
1.7 R_earth ± 0.11 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
1.59 R_earth ± 0.58 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
1.56 R_earth ± 0.58 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
1.66 R_earth ± 0.46 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
1.59 R_earth ± 0.58 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
1.55 R_earth ± 0.62 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
1.59 R_earth ± 0.58 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Orbital period 11 values

ValueUnitUncertainty Band / methodSourceReferenceYear
3.941023 d ± 1.22e-05 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
3.941046 d ± 1.16e-05 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
3.941046 d ± 1.16e-05 Transit NASA Exoplanet Archive Morton et al. 2016 2016
3.941052 d ± 1.09e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
3.941046 d ± 1.16e-05 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
3.941 d Transit NASA Exoplanet Archive Hadden et al. 2014 2014
3.941046 d ± 4.10e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
3.941046 d ± 1.16e-05 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
3.940997 d ± 2.00e-05 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
3.941052 d ± 1.09e-05 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2014
3.941046 d ± 1.16e-05 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Semi-major axis 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.04725 au ± 0.00051 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.046 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.0469 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.047 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0.0469 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.047 au Transit NASA Exoplanet Archive Rowe et al. 2014 2014
0.0469 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Eccentricity 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,018 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
1,017 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
1,015 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
1,017 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
1,017 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-226 d Exoplanet 0″ 15.56
Kepler-226 c Exoplanet 0″ 15.56
Kepler-226 Eruptive* 0.1587″ —
2MASS J19292739+4754097 Star 83.39″ —
UCAC4 690-068337 RGB* 129″ 13.49
UCAC4 690-068392 Star 145.6″ 14.05
UCAC4 690-068400 RGB* 159.3″ 13.6
2MASS J19294582+4752204 Star 159.6″ —
UCAC4 690-068381 HighPM* 161.5″ 16.32
2MASS J19293004+4755580 Star 186.7″ —
TYC 3547-1626-1 HorBranch* 187.6″ 11.96

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/kepler-226-b · Registry entry updated 2026-08-14.