Registry · exoplanet

CoRoT-9 b

Exoplanet 74 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 43m 08.80s
Declination: +06° 12′ 14.7″
Galactic l, b: 37.523, 4.662
Magnitude V: 13.64
Distance: 412.98 pc

Also known as

1 identifiers

CoRoT-9b

Planet

NASA Exoplanet Archive, composite parameters

Host star	CoRoT-9 · G3V
Discovery	Transit, 2009 · CoRoT
Orbital period	95.2727 d
Semi-major axis	0.4021 au
Eccentricity	0.133
Radius	11.949 R⊕ · 1.066 R♃
Mass	266.98 M⊕ · 0.84 M♃
Density	0.86 g/cm³
Equilibrium temperature	420 K
System distance	412.98 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
266.9772	M_earth	± 15.89	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
268.8842	M_earth	± 17.8	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
262.5276	M_earth	± 26.38	Transit	NASA Exoplanet Archive	Southworth 2011	2011
266.97	M_earth	± 22.25	Transit	NASA Exoplanet Archive	Deeg et al. 2010	2010

Radius 3 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
11.94879	R_earth	± 0.8407	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
11.62373	R_earth	± 0.9191	Transit	NASA Exoplanet Archive	Southworth 2011	2011
11.77	R_earth	± 0.45	Transit	NASA Exoplanet Archive	Deeg et al. 2010	2010

Orbital period 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
95.27272	d	± 6.00e-05	Transit	NASA Exoplanet Archive	Ivshina & Winn 2022	2022
95.27266	d	± 6.80e-05	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
95.2738	d	± 0.0014	Transit	NASA Exoplanet Archive	Southworth 2011	2011
95.2738	d	± 0.0014	Transit	NASA Exoplanet Archive	Deeg et al. 2010	2010

Semi-major axis 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.4021	au	± 0.0054	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.4029	au	± 0.0054	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.4027	au	± 0.011	Transit	NASA Exoplanet Archive	Southworth 2011	2011
0.407	au	± 0.005	Transit	NASA Exoplanet Archive	Deeg et al. 2010	2010

Eccentricity 3 values

Value	Uncertainty	Band / method	Source	Reference	Year
0.133	± 0.042	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.134	± 0.04	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
0.11	± 0.04	Transit	NASA Exoplanet Archive	Deeg et al. 2010	2010

Equilibrium temperature 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
420	K	± 16	Transit	NASA Exoplanet Archive	Bonomo et al. 2017	2017
413	K	± 14	Transit	NASA Exoplanet Archive	Southworth 2011	2011

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
CoRoT-9	Star	0.3215″	13.46
2MASS J18431107+0611448	EclBin	45.27″	—
HD 173028	Star	90.64″	8.8
Gaia DR3 4285573038624081536	Star	330.1″	—
ZTF J184249.21+061546.1	LongPeriodV*	360.4″	15.82
CoRoT-22 b	Exoplanet	431.1″	13.82
CoRoT-22	Star	431.2″	13.94
2MASS J18424564+0607460	RGB*	437.5″	—
IRAS 18407+0601	OH/IR*	446.3″	—
OGLE GD-RRLYR-11025	RRLyrae	465.3″	—
ZTF J184316.24+060351.0	LongPeriodV*	515.8″	17.14

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-9-b · Registry entry updated 2026-08-14.