Registry · exoplanet

Kepler-25 d

Exoplanet 12 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: 19h 06m 33.21s
Declination: +39° 29′ 16.5″
Galactic l, b: 70.35, 14.16
Magnitude V: 10.77
Distance: 243.25 pc

Also known as

1 identifiers

Kepler-25d

Planet

NASA Exoplanet Archive, composite parameters

Host star	Kepler-25 · F6
Discovery	Radial Velocity, 2014 · W. M. Keck Observatory
Orbital period	122.4 d
Semi-major axis	0.41642 au
Eccentricity	0.13
Radius	10 R⊕ · 0.894 R♃
Mass	71.9 M⊕ · 0.226 M♃
Density	0.395 g/cm³
Equilibrium temperature	544.68 K
System distance	243.25 pc

Recorded parameters

1 quantity with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Semi-major axis	0.4164222	au		Radial Velocity	NASA Exoplanet Archive	Weiss et al. 2024

Published measurements

3 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 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
68.7099	M_earth	± 8.524	Radial Velocity	NASA Exoplanet Archive	Weiss et al. 2024	2024
71.82922	M_earth	± 9.853	Radial Velocity	NASA Exoplanet Archive	Bourrier et al. 2023	2023
71.9	M_earth	± 9.8	Radial Velocity	NASA Exoplanet Archive	Mills et al. 2019	2019
89.9	M_earth	± 13.7	Radial Velocity	NASA Exoplanet Archive	Marcy et al. 2014	2014

Orbital period 4 values

Value	Unit	Uncertainty	Band / method	Source	Reference	Year
91.60519	d	± 0.2354	Radial Velocity	NASA Exoplanet Archive	Weiss et al. 2024	2024
122.4	d	± 0.8	Radial Velocity	NASA Exoplanet Archive	Bourrier et al. 2023	2023
122.4	d	± 0.8	Radial Velocity	NASA Exoplanet Archive	Mills et al. 2019	2019
123	d	± 2	Radial Velocity	NASA Exoplanet Archive	Marcy et al. 2014	2014

Eccentricity 3 values

Value	Uncertainty	Band / method	Source	Reference	Year
0		Radial Velocity	NASA Exoplanet Archive	Weiss et al. 2024	2024
0.13	± 0.13	Radial Velocity	NASA Exoplanet Archive	Bourrier et al. 2023	2023
0.13	± 0.13	Radial Velocity	NASA Exoplanet Archive	Mills et al. 2019	2019

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Kepler-25 c	Exoplanet	0″	10.77
Kepler-25 b	Exoplanet	0″	10.77
Kepler-25	EmLine*	0.09503″	10.62
KOI-1803.01	Planet Candidate	8.39″	—
KOI-1803	Star	8.39″	—
KOI-1803.02	Inexistent	8.425″	—
2MASS J19063429+3927482	Star	89.14″	—
2MASS J19063537+3927170	EclBin	122″	—
2MASS J19062859+3931236	Star	137.8″	—
2MASS J19064275+3927257	C* Candidate	156.4″	—
2MASS J19064526+3931060	Star	177.4″	—

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/kepler-25-d · Registry entry updated 2026-08-14.