Registry · exoplanet

HD 32963 b

Exoplanet 15 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 07m 55.68s
Declination: +26° 19′ 39.6″
Galactic l, b: 177.53, -8.39
Magnitude V: 7.6
Distance: 38.079 pc

Also known as

1 identifiers

HD 32963b

Planet

NASA Exoplanet Archive, composite parameters

Host star	HD 32963 · G3V
Discovery	Radial Velocity, 2015 · W. M. Keck Observatory
Orbital period	2,372 d
Semi-major axis	3.41 au
Eccentricity	0.07
Radius	13.4 R⊕ · 1.19 R♃
Mass	657.9 M⊕ · 2.07 M♃
Density	1.5 g/cm³
Equilibrium temperature	157.63 K
System distance	38.079 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 3 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
657.9048	M_earth	± 263.8	Radial Velocity	NASA Exoplanet Archive	Xiao et al. 2023	2023
230.7434	M_earth	± 11.44	Radial Velocity	NASA Exoplanet Archive	Rosenthal et al. 2021	2021
222.481	M_earth	± 9.535	Radial Velocity	NASA Exoplanet Archive	Rowan et al. 2016	2016

Orbital period 3 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
2,368	d	± 23	Radial Velocity	NASA Exoplanet Archive	Xiao et al. 2023	2023
2,328	d	± 24	Radial Velocity	NASA Exoplanet Archive	Rosenthal et al. 2021	2021
2,372	d	± 26	Radial Velocity	NASA Exoplanet Archive	Rowan et al. 2016	2016

Semi-major axis 3 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
3.409	au	± 0.063	Radial Velocity	NASA Exoplanet Archive	Xiao et al. 2023	2023
3.416	au	± 0.058	Radial Velocity	NASA Exoplanet Archive	Rosenthal et al. 2021	2021
3.41	au	± 0.02	Radial Velocity	NASA Exoplanet Archive	Rowan et al. 2016	2016

Eccentricity 3 values

Value	Uncertainty	Band / method	Source	Reference	Year
0.099	± 0.028	Radial Velocity	NASA Exoplanet Archive	Xiao et al. 2023	2023
0.069	± 0.04	Radial Velocity	NASA Exoplanet Archive	Rosenthal et al. 2021	2021
0.07	± 0.04	Radial Velocity	NASA Exoplanet Archive	Rowan et al. 2016	2016

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 32963	HighPM*	1.491″	7.59
FRB 20201124A	radioBurst	496.3″	—

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/hd-32963-b · Registry entry updated 2026-08-14.