Registry · exoplanet

Kepler-422 b

Exoplanet 49 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: 18h 50m 31.11s
Declination: +46° 19′ 23.8″
Galactic l, b: 75.863, 19.41
Magnitude V: 13.52
Distance: 722.79 pc

Also known as

1 identifiers

Kepler-422b

Planet

NASA Exoplanet Archive, composite parameters

Host star	Kepler-422 · G2V
Discovery	Transit, 2014 · Kepler
Orbital period	7.89145 d
Semi-major axis	0.082 au
Eccentricity	0
Radius	12.89 R⊕ · 1.15 R♃
Mass	136.66 M⊕ · 0.43 M♃
Density	0.38 g/cm³
Equilibrium temperature	1,028 K
System distance	722.79 pc

Published measurements

6 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.

Mass 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
155.7367	M_earth	± 73.1	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
136.66	M_earth	± 41.32	Transit	NASA Exoplanet Archive	Endl et al. 2014	2014

Radius 11 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
12.987	R_earth	± 0.547	Transit	NASA Exoplanet Archive	Berger et al. 2018	2018
12.847	R_earth	± 0.293	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
12.89035	R_earth	± 1.233	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
12.35	R_earth	± 1.86	Transit	NASA Exoplanet Archive	Morton et al. 2016	2016
11.27	R_earth	± 0.7	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2014
12.92999	R_earth	± 0.7945	Transit	NASA Exoplanet Archive	ExoFOP	2014
12.89	R_earth	± 1.23	Transit	NASA Exoplanet Archive	Endl et al. 2014	2014
12.24	R_earth	± 2.45	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2014
12.63	R_earth	± 2.13	Transit	NASA Exoplanet Archive	Q1-Q17 DR25 KOI Table	2014
12.24	R_earth	± 2.45	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2014
12.24	R_earth	± 2.45	Transit	NASA Exoplanet Archive	Q1-Q17 DR24 KOI Table	2014

Orbital period 14 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
7.891449	d	± 4.90e-07	Transit	NASA Exoplanet Archive	Kokori et al. 2023	2023
7.891449	d	± 3.33e-07	Transit	NASA Exoplanet Archive	Gajdo&scaron; et al. 2019	2019
7.891448	d	± 4.70e-07	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
7.891448	d	± 5.00e-07	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
7.891448	d	± 6.00e-08	Transit	NASA Exoplanet Archive	Holczer et al. 2016	2016
7.891448	d	± 4.70e-07	Transit	NASA Exoplanet Archive	Morton et al. 2016	2016
7.89145	d	± 1.60e-06	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2014
7.891449	d	± 5.06e-07	Transit	NASA Exoplanet Archive	Q1-Q17 DR25 Supplemental KOI Table	2014
7.891427	d	± 3.31e-05	Transit	NASA Exoplanet Archive	ExoFOP	2014
7.891448	d	± 5.00e-07	Transit	NASA Exoplanet Archive	Endl et al. 2014	2014
7.891448	d	± 4.70e-07	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2014
7.891449	d	± 5.06e-07	Transit	NASA Exoplanet Archive	Q1-Q17 DR25 KOI Table	2014

Show the remaining 2

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
7.891448	d	± 4.70e-07	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2014
7.891448	d	± 4.70e-07	Transit	NASA Exoplanet Archive	Q1-Q17 DR24 KOI Table	2014

Semi-major axis 8 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.08059	au	± 0.00069	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
0.0813	au	± 0.0014	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.081	au		Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2014
0.082	au	± 0.011	Transit	NASA Exoplanet Archive	Endl et al. 2014	2014
0.0796	au		Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2014
0.0813	au		Transit	NASA Exoplanet Archive	Q1-Q17 DR25 KOI Table	2014
0.0796	au		Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2014
0.0796	au		Transit	NASA Exoplanet Archive	Q1-Q17 DR24 KOI Table	2014

Eccentricity 6 values

Value	Band / method	Source	Reference	Year
0.55	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0	Transit	NASA Exoplanet Archive	Q1-Q8 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-Q16 KOI Table	2014
0	Transit	NASA Exoplanet Archive	Q1-Q17 DR24 KOI Table	2014

Equilibrium temperature 6 values

Value	Unit	Band / method	Source	Reference	Year
976	K	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2014
1,042.35	K	Transit	NASA Exoplanet Archive	ExoFOP	2014
1,000	K	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2014
1,028	K	Transit	NASA Exoplanet Archive	Q1-Q17 DR25 KOI Table	2014
1,000	K	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2014
1,000	K	Transit	NASA Exoplanet Archive	Q1-Q17 DR24 KOI Table	2014

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Kepler-422	Eruptive*	0.191″	—
2MASS J18503235+4619316	Star	15″	—
2MASS J18501575+4620358	Star	174.6″	—
TYC 3540-1628-1	HorBranch*	249.7″	12.24
2MASS J18502349+4614418	Star	292.9″	—
UCAC4 682-063510	RGB*	294.4″	13.65
2MASS J18501428+4623249	Star	297.4″	—
2MASS J18501792+4614483	Eruptive*	307.5″	—
2MASS J18505014+4623277	Star	313.6″	—
TYC 3540-2037-1	RGB*	343.2″	11.72
2MASS J18503680+4613183	Star	370.2″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/kepler-422-b · Registry entry updated 2026-08-14.