Registry · exoplanet

AB Aur b

Exoplanet 48 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: 04h 55m 45.85s
Declination: +30° 33′ 03.9″
Galactic l, b: 172.5, -7.981
Magnitude V: 7.076
Distance: 162.13 pc

Also known as

1 identifiers

AB Aur b

Planet

NASA Exoplanet Archive, composite parameters

Host star	AB Aur
Discovery	Imaging, 2022 · Subaru Telescope
Orbital period	— d
Semi-major axis	93.9 au
Eccentricity	0.4
Radius	12.5 R⊕ · 1.12 R♃
Mass	2,860.5 M⊕ · 9 M♃
Density	8.05 g/cm³
Equilibrium temperature	83.63 K
System distance	162.13 pc

Recorded parameters

3 quantities with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Mass	2,860.456	M_earth		Imaging	NASA Exoplanet Archive	Currie et al. 2022
Semi-major axis	93.9	au	± 49.3	Imaging	NASA Exoplanet Archive	Currie et al. 2022
Eccentricity	0.4		± 0.2	Imaging	NASA Exoplanet Archive	Currie et al. 2022

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
AB Aur	Star	0″	—
V* AB Aur	Ae*	0.3776″	7.05
LDN 1517	DarkNeb	11.67″	—
2MASS J04553844+3031465	Star	123.1″	—
LDN 1519	DarkNeb	126.3″	—
2MASS J04554820+3030160	OrionV*	170.7″	—
V* SU Aur	OrionV*	184.1″	9.3
2MASS J04555605+3036209	TTauri*	236.9″	—
2MASS J04554757+3028077	TTauri*	297.2″	—
2MASS J04554801+3028050	OrionV*	300.4″	—
LDN 1517D	PartofCloud	343.3″	—

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/ab-aur-b · Registry entry updated 2026-08-14.