Registry · exoplanet

HD 32518 b

Exoplanet 18 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: 05h 09m 36.90s
Declination: +69° 38′ 20.9″
Galactic l, b: 142.12, 17.12
Magnitude V: 6.43
Distance: 122.11 pc

Also known as

1 identifiers

HD 32518b

Planet

NASA Exoplanet Archive, composite parameters

Host star	HD 32518 · K1III
Discovery	Radial Velocity, 2009 · Thueringer Landessternwarte Tautenburg
Orbital period	157.35 d
Semi-major axis	0.594 au
Eccentricity	0.028
Radius	13.2 R⊕ · 1.18 R♃
Mass	905.49 M⊕ · 2.849 M♃
Density	2.16 g/cm³
Equilibrium temperature	916.07 K
System distance	122.11 pc

Published measurements

4 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 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
905.4931	M_earth	± 50.85	Radial Velocity	NASA Exoplanet Archive	Teng et al. 2023	2023
966.16	M_earth	± 216.1	Radial Velocity	NASA Exoplanet Archive	Dollinger et al. 2009	2009

Orbital period 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
157.35	d	± 0.1	Radial Velocity	NASA Exoplanet Archive	Teng et al. 2023	2023
157.54	d	± 0.38	Radial Velocity	NASA Exoplanet Archive	Dollinger et al. 2009	2009

Semi-major axis 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.594	au	± 0	Radial Velocity	NASA Exoplanet Archive	Teng et al. 2023	2023
0.59	au	± 0.03	Radial Velocity	NASA Exoplanet Archive	Dollinger et al. 2009	2009

Eccentricity 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.028		± 0.034	Radial Velocity	NASA Exoplanet Archive	Teng et al. 2023	2023
0.01		± 0.03	Radial Velocity	NASA Exoplanet Archive	Dollinger et al. 2009	2009

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 32518	HighPM*	1.353″	6.42
Gaia DR2 497648759556136064	Star	351.4″	—
GRB 060124	gammaBurst	520.3″	17.35

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/hd-32518-b · Registry entry updated 2026-08-14.