Registry · exoplanet

Kepler-30 b

Exoplanet 90 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 01m 08.08s
Declination: +38° 56′ 50.1″
Galactic l, b: 69.407, 14.91
Magnitude V: 15.73
Distance: 914.22 pc

Also known as

1 identifiers

Kepler-30b

Planet

NASA Exoplanet Archive, composite parameters

Host star	Kepler-30
Discovery	Transit, 2012 · Kepler
Orbital period	29.3343 d
Semi-major axis	0.18 au
Eccentricity	0.042
Radius	3.9 R⊕ · 0.348 R♃
Mass	11.3 M⊕ · 0.036 M♃
Density	1.02 g/cm³
Equilibrium temperature	524 K
System distance	914.22 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 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
8.8	M_earth	± 0.6	Transit	NASA Exoplanet Archive	Hadden & Lithwick 2017	2017
78.6	M_earth	± 4.6	Transit	NASA Exoplanet Archive	Hadden et al. 2014	2014
11.3	M_earth	± 1.4	Transit	NASA Exoplanet Archive	Sanchis-Ojeda et al. 2012	2012
63.566	M_earth		Transit	NASA Exoplanet Archive	Fabrycky et al. 2012	2012

Radius 9 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
1.841	R_earth	± 0.125	Transit	NASA Exoplanet Archive	Berger et al. 2018	2018
1.803	R_earth	± 0.129	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
1.9	R_earth	± 0.2	Transit	NASA Exoplanet Archive	Hadden & Lithwick 2017	2017
3.56	R_earth	± 0.38	Transit	NASA Exoplanet Archive	Hadden et al. 2014	2014
3.9	R_earth	± 0.2	Transit	NASA Exoplanet Archive	Sanchis-Ojeda et al. 2012	2012
1.91	R_earth	± 0.2	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2012
3.6	R_earth	± 0.5	Transit	NASA Exoplanet Archive	Fabrycky et al. 2012	2012
1.37	R_earth	± 0.27	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2012
1.91	R_earth	± 0.2	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2012

Orbital period 10 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
29.15986	d	± 0.0002534	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
29.323	d		Transit	NASA Exoplanet Archive	Hadden & Lithwick 2017	2017
29.32012	d	± 0.0002587	Transit	NASA Exoplanet Archive	Holczer et al. 2016	2016
29.312	d		Transit	NASA Exoplanet Archive	Hadden et al. 2014	2014
29.33434	d	± 0.00815	Transit	NASA Exoplanet Archive	Sanchis-Ojeda et al. 2012	2012
29.15986	d	± 0.0002534	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2012
29.329	d	± 0.022	Transit	NASA Exoplanet Archive	Fabrycky et al. 2012	2012
29.15986	d	± 0.0002534	Transit	NASA Exoplanet Archive	Q1-Q17 DR25 Supplemental KOI Table	2012
29.1647	d	± 0.0024	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2012
29.15986	d	± 0.0002534	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2012

Semi-major axis 6 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.18202	au	± 0.00124	Transit	NASA Exoplanet Archive	Fulton & Petigura 2018	2018
0.18	au		Transit	NASA Exoplanet Archive	Sanchis-Ojeda et al. 2012	2012
0.1847	au		Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2012
0.18	au		Transit	NASA Exoplanet Archive	Fabrycky et al. 2012	2012
0.184	au		Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2012
0.1847	au		Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2012

Eccentricity 4 values

Value	Uncertainty	Band / method	Source	Reference	Year
0.042	± 0.003	Transit	NASA Exoplanet Archive	Sanchis-Ojeda et al. 2012	2012
0		Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2012
0		Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2012
0		Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2012

Equilibrium temperature 3 values

Value	Unit	Band / method	Source	Reference	Year
524	K	Transit	NASA Exoplanet Archive	Q1-Q16 KOI Table	2012
544	K	Transit	NASA Exoplanet Archive	Q1-Q8 KOI Table	2012
524	K	Transit	NASA Exoplanet Archive	Q1-Q12 KOI Table	2012

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Kepler-30 d	Exoplanet	0″	15.73
Kepler-30 c	Exoplanet	0″	15.73
Kepler-30	Eruptive*	0.07415″	—
2MASS J19011088+3855341	Star	82.75″	—
2MASS J19005943+3855244	Star	132.5″	—
2MASS J19010679+3854224	Star	148.5″	—
ATO J285.2460+38.9832	EclBin	167″	—
2MASS J19010019+3854285	Star	168.8″	—
2MASS J19012603+3856305	Star	210.4″	—
2MASS J19010699+3902016	Star	311.6″	—
UCAC4 645-065300	Star	329.7″	—

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-30-b · Registry entry updated 2026-08-14.