Key parameters at a glance

A radius of 1.77 Earth radii
A mass of 3.78 Earth masses
Surface gravity around 1.21 g
An orbital period of 2.034 days
Semi-major axis 0.0145 AU
Equilibrium temperature 422 K (149 °C)
Distance from Earth 73.55 light-years
Earth Similarity Index 0.650
Travel time at Voyager 1 speed 1,297,022 years
Almost certainly tidally locked to its host star given the close orbit

TOI-2267 d Planet Profile

Physical Specs

Radius

1.77 R⊕

Radius (Jupiter)

0.158 R♃

Mass

3.78 M⊕

Mass (Jupiter)

0.012 M♃

Density

3.75 g/cm³

Surface Gravity

1.21 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.650

HZ Position Inner

Controversial No

Discovery

Year 2025

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#293of 1176

top 24.8%

This planet

1.77R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

GJ 667 C c 1.77 R⊕ Kepler-286 e 1.77 R⊕ Kepler-215 c 1.77 R⊕

Metric	Earth	TOI-2267 d	Jupiter
Radius (R⊕)	1.00	1.77	11.21
Mass (M⊕)	1.00	3.78	317.83
Density (g/cm³)	5.51	3.75	1.33
Surface Gravity (g)	1.00	1.21	2.53
Insolation (S⊕)	1.00	5.30	0.037

Percentile among Super-Earth cohort

Radius 1.770 R⊕ · percentile 73 / cohort 1176

Mass 3.780 M⊕ · percentile 67 / cohort 1176

Orbital period 2.03 d · percentile 12 / cohort 1164

Distance 22.55 pc · percentile 5 / cohort 1171

ESI 0.650 · percentile 83 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.034 days

Semi-major axis

0.0145 AU

Eccentricity

—

Inclination

89.00 °

Year Length

A year here lasts approximately 2.03 Earth days (0.6% of a terrestrial year) at a mean orbital distance of 0.0145 AU.

Transit Fingerprint

Depth

0.114 %

Duration

0.708 h

Impact parameter b

0.449

Rp / R★

0.121000

Transit midpoint (BJD)

2,460,625.7200

Photometric dip

Transit produces a flux drop of 1,142 ppm lasting ≈ 0.71 h.

Extended Orbital Architecture

Planet / star radius ratio

0.121000

Semi-major axis / stellar radius

22.693

Impact parameter (b)

0.449

Transit mid-time (BJD)

2,460,625.7200

Angular separation (arcsec)

0.64300

Eq. Temperature

422K

(149 °C)

Insolation (S⊕)

5.30

Earth = 1.00

Earth Similarity (ESI)

0.650

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Greklek Mckeon et al. 2026

Instrument

TESS CCD Array

Publication

2026-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1266 d · Super-Earth TOI-2267 c · Rocky Terrestrial TOI-5799 c · Super-Earth TOI-5728 b · Super-Earth TOI-5716 b · Rocky Terrestrial TOI-7166 b · Sub-Neptune TOI-2267 b · Rocky Terrestrial TOI-2093 c · Sub-Neptune TOI-5489 c · Super-Earth TOI-1743 b · Super-Earth TOI-4364 b · Sub-Neptune HD 35843 c · Sub-Neptune

Host System: TOI-2267 B

Spectral Class

M-type red dwarf

Effective Temperature

3,022 K — cooler than the Sun (5,778 K)

Estimated Age

1.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.130 R☉

Stellar Mass

0.099 M☉

Metallicity [Fe/H]

0.16

Extended Stellar Properties

Surface gravity (log g)

4.996 dex

Stellar density

60.400 g/cm³

Systemic radial velocity

-19.00 km/s

Rotational v·sin i

17.60 km/s

Rotation period

0.49 days

Metallicity ratio

[Fe/H]

Distance

22.55 parsec

Light-years 73.55 ly

V-band magnitude

— mag

Voyager-speed travel 1,297,022 yr

Astrometric Data

Total Proper Motion

291.499 mas/yr

PM Right Ascension

192.45 mas/yr

PM Declination

-218.94 mas/yr

Galactic Cartesian (pc)

x = 0.037 · y = 0.081 · z = 0.996

Equatorial (J2000)

RA 65.06150° · Dec 84.90083°

Galactic ℓ, b

127.339° · 23.935°

Ecliptic λ, β

85.439° · 61.859°

HTM-20 index

1900834722