Registry · exoplanet

KOINTREAU-1 b

Exoplanet

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: 04h 33m 26.23s
Declination: +22° 45′ 29.0″
Galactic l, b: 175.46, -16.77
Distance: 158.62 pc

Planet

NASA Exoplanet Archive, composite parameters

Host star	XEST 17-036 · M4
Discovery	Imaging, 2026 · W. M. Keck Observatory
Orbital period	— d
Semi-major axis	690 au
Eccentricity	—
Radius	12.4 R⊕ · 1.11 R♃
Mass	3,369 M⊕ · 10.6 M♃
Density	9.71 g/cm³
Equilibrium temperature	— K
System distance	158.62 pc

Recorded parameters

2 quantities with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Mass	3,368.981	M_earth	± 794.6	Imaging	NASA Exoplanet Archive	Walker et al. 2026
Semi-major axis	690	au	± 10	Imaging	NASA Exoplanet Archive	Walker et al. 2026

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
XEST 17-036	Star	0.003074″	—
2MASS J04332621+2245293	OrionV*	0.291″	—
[BM89] L1536	DarkNeb	92.84″	—
IRAS 04303+2240	OrionV*	118.4″	—
LDN 1536	DarkNeb	122.1″	—
PLCKECC G175.49-16.80	denseCore	167.9″	—
[LM99] L1536-1	denseCore	171.3″	—
ZTF J043337.35+224750.5	LongPeriodV*	209″	—
2MASS J04330945+2246487	Low-Mass*	245.2″	—
UCAC4 565-010985	Star	326.7″	15.78
2MASS J04330600+2241431	Star	359.6″	17.21

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/kointreau-1-b · Registry entry updated 2026-08-14.