UPSA Object Registry
Registry · exoplanet

Kepler-226 c

Exoplanet 27 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-226c

Planet

NASA Exoplanet Archive, composite parameters
Host starKepler-226
DiscoveryTransit, 2014 · Kepler
Orbital period5.34955 d
Semi-major axis0.058 au
Eccentricity0
Radius2.27 R⊕ · 0.203 R♃
Mass45.2 M⊕ · 0.142 M♃
Density21.2 g/cm³
Equilibrium temperature919 K
System distance980.14 pc

Recorded parameters

1 quantity with a single published value
ParameterValueUnitUncertainty As publishedSourceReference
Mass 45.2 M_earth ± 22.5 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
2.47 R_earth ± 0.159 Transit NASA Exoplanet Archive Berger et al. 2018 2018
2.883 R_earth ± 0.234 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
2.89 R_earth ± 0.27 Transit NASA Exoplanet Archive Morton et al. 2016 2016
2.7 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
2.7 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
2.29 R_earth ± 0.84 Transit NASA Exoplanet Archive Hadden et al. 2014 2014
2.7 R_earth ± 1 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
2.27 R_earth ± 0.9 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
2.55 R_earth ± 0.16 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
2.37 R_earth ± 0.66 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014

Orbital period 12 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5.349543 d ± 9.20e-06 Transit NASA Exoplanet Archive Gajdoš et al. 2019 2019
5.349557 d ± 9.14e-06 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
5.349568 d ± 1.93e-06 Transit NASA Exoplanet Archive Holczer et al. 2016 2016
5.349557 d ± 9.14e-06 Transit NASA Exoplanet Archive Morton et al. 2016 2016
5.349557 d ± 9.14e-06 Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
5.349557 d ± 9.14e-06 Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
5.35 d Transit NASA Exoplanet Archive Hadden et al. 2014 2014
5.349557 d ± 9.14e-06 Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
5.349555 d ± 1.40e-05 Transit NASA Exoplanet Archive Rowe et al. 2014 2014
5.349554 d ± 8.83e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
5.349569 d ± 3.10e-05 Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014
5.349554 d ± 8.83e-06 Transit NASA Exoplanet Archive Q1-Q17 DR25 Supplemental KOI Table 2014

Semi-major axis 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.05792 au ± 0.00064 Transit NASA Exoplanet Archive Fulton & Petigura 2018 2018
0.0575 au Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
0.0575 au Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
0.0575 au Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
0.058 au Transit NASA Exoplanet Archive Rowe et al. 2014 2014
0.0563 au Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
0.058 au Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014

Eccentricity 5 values

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

Equilibrium temperature 5 values

ValueUnitUncertainty Band / methodSourceReferenceYear
918 K Transit NASA Exoplanet Archive Q1-Q16 KOI Table 2014
918 K Transit NASA Exoplanet Archive Q1-Q17 DR24 KOI Table 2014
918 K Transit NASA Exoplanet Archive Q1-Q12 KOI Table 2014
919 K Transit NASA Exoplanet Archive Q1-Q17 DR25 KOI Table 2014
914 K Transit NASA Exoplanet Archive Q1-Q8 KOI Table 2014

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
Kepler-226 b Exoplanet 0″ 15.56
Kepler-226 d 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-c · Registry entry updated 2026-08-14.