Registry · exoplanet

CoRoT-18 b

Exoplanet 47 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: 06h 32m 41.38s
Declination: −00° 01′ 53.8″
Galactic l, b: 210.82, -4.185
Magnitude V: 14.87
Distance: 764.89 pc

Also known as

1 identifiers

CoRoT-18b

Planet

NASA Exoplanet Archive, composite parameters

Host star	CoRoT-18
Discovery	Transit, 2011 · CoRoT
Orbital period	1.90007 d
Semi-major axis	0.0295 au
Eccentricity	0.08
Radius	14.68 R⊕ · 1.31 R♃
Mass	1,102.8 M⊕ · 3.47 M♃
Density	2.2 g/cm³
Equilibrium temperature	1,550 K
System distance	764.89 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
1,048.839	M_earth	± 60.39	Transit	NASA Exoplanet Archive	Raetz et al. 2019	2019
1,099.692	M_earth	± 120.8	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
1,039.304	M_earth	± 54.03	Transit	NASA Exoplanet Archive	Southworth 2012	2012
1,102.82	M_earth	± 120.8	Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011

Radius 5 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
12.84551	R_earth	± 0.4372	Transit	NASA Exoplanet Archive	Raetz et al. 2019	2019
14.68379	R_earth	± 2.018	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
14.02246	R_earth	± 0.9303	Transit	NASA Exoplanet Archive	Southworth 2012	2012
14.68	R_earth	± 2.02	Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011
15.04962	R_earth	± 0.5328	Transit	NASA Exoplanet Archive	ExoFOP	2011

Orbital period 6 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
1.900077	d	± 2.10e-06	Transit	NASA Exoplanet Archive	Patel & Espinoza 2022	2022
1.90009	d	± 5.00e-07	Transit	NASA Exoplanet Archive	Raetz et al. 2019	2019
1.900069	d	± 2.80e-06	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
1.900069	d	± 2.80e-06	Transit	NASA Exoplanet Archive	Southworth 2012	2012
1.900069	d	± 2.80e-06	Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011
1.900086	d	± 3.93e-06	Transit	NASA Exoplanet Archive	ExoFOP	2011

Semi-major axis 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.0288	au	± 0.0008	Transit	NASA Exoplanet Archive	Raetz et al. 2019	2019
0.0295	au	± 0.0015	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.0286	au	± 0.00068	Transit	NASA Exoplanet Archive	Southworth 2012	2012
0.0295	au	± 0.0016	Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011

Eccentricity 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.025			Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.08			Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011

Equilibrium temperature 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
1,487	K	± 19	Transit	NASA Exoplanet Archive	Raetz et al. 2019	2019
1,490	K	± 45	Transit	NASA Exoplanet Archive	Southworth 2012	2012
1,550	K	± 90	Transit	NASA Exoplanet Archive	Hebrard et al. 2011	2011
1,366.35	K		Transit	NASA Exoplanet Archive	ExoFOP	2011

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
CoRoT-18	Star	0.06276″	15
UCAC4 451-019387	Star	266″	15.75
V* CU Mon	ClassicalCep	281.1″	13.61
2MASS J06324648-0006339	HorBranch*	290.4″	—
Gaia DR3 3120055047740054912	WhiteDwarf	365.1″	—
HD 291798	Star	406.3″	10.38
2MASS J06323894-0009047	RGB*	432.4″	—
2MASS J06330936-0003453	RGB*	434.3″	—
UCAC4 451-019374	Star	437.4″	15.4
2MASS J06325806+0005250	HorBranch*	505.2″	—
2MASS J06322212+0005268	RGB*	526.7″	—

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/corot-18-b · Registry entry updated 2026-08-14.