Registry · exoplanet

HD 95089 b

Exoplanet 14 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: 10h 58m 47.70s
Declination: +01° 43′ 44.4″
Galactic l, b: 251.41, 52.94
Magnitude V: 7.92
Distance: 136.96 pc

Also known as

1 identifiers

HD 95089b

Planet

NASA Exoplanet Archive, composite parameters

Host star	HD 95089 · G8/K0IV
Discovery	Radial Velocity, 2009 · W. M. Keck Observatory
Orbital period	464.4 d
Semi-major axis	1.36 au
Eccentricity	0.119
Radius	13.7 R⊕ · 1.22 R♃
Mass	400.47 M⊕ · 1.26 M♃
Density	0.856 g/cm³
Equilibrium temperature	458.34 K
System distance	136.96 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
400.4658	M_earth	± 27.02	Radial Velocity	NASA Exoplanet Archive	Luhn et al. 2019	2019
381.38	M_earth	± 31.78	Radial Velocity	NASA Exoplanet Archive	Johnson et al. 2010	2010

Orbital period 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
464.4	d	± 3.8	Radial Velocity	NASA Exoplanet Archive	Luhn et al. 2019	2019
507	d	± 16	Radial Velocity	NASA Exoplanet Archive	Johnson et al. 2010	2010

Semi-major axis 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
1.36	au	± 0.13	Radial Velocity	NASA Exoplanet Archive	Luhn et al. 2019	2019
1.51	au	± 0.05	Radial Velocity	NASA Exoplanet Archive	Johnson et al. 2010	2010

Eccentricity 2 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
0.119		± 0.072	Radial Velocity	NASA Exoplanet Archive	Luhn et al. 2019	2019
0.157		± 0.086	Radial Velocity	NASA Exoplanet Archive	Johnson et al. 2010	2010

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 95089 c	Exoplanet	0″	7.92
HD 95089	HighPM*	0.9212″	7.95
LEDA 1205465	Galaxy	219.6″	—
3XMM J105852.2+014011	LINER	226.3″	—
[VV2006] J105833.8+014154	QSO	234.1″	21
LEDA 1202088	Galaxy	236.8″	—
LEDA 1201907	Galaxy	275.2″	—
SDSS J105906.08+014320.6	Galaxy	276.7″	—
IC 661	RadioG	287.9″	—
[VV2006] J105858.7+013922	QSO	309.6″	20.04
LEDA 1201269	Galaxy	447.1″	—

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-95089-b · Registry entry updated 2026-08-14.