Confirmed Exoplanet Discovered 2026 Habitable Zone

TOI-2094 b

A super-earth orbiting the m-type red dwarf TOI-2094, located approximately 163.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.90 Earth radii
  • A mass of 4.27 Earth masses
  • Surface gravity around 1.18 g
  • An orbital period of 18.793 days
  • Semi-major axis 0.1360 AU
  • Equilibrium temperature 276 K (3 °C)
  • Distance from Earth 163.16 light-years
  • Earth Similarity Index 0.824
  • Travel time at Voyager 1 speed 2,877,307 years
  • Almost certainly tidally locked to its host star given the close orbit

TOI-2094 b Planet Profile

Physical Specs

Radius
1.90 R⊕
Radius (Jupiter)
0.170 R♃
Mass
4.27 M⊕
Mass (Jupiter)
0.013 M♃
Density
3.42 g/cm³
Surface Gravity
1.18 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.824
HZ Position Habitable
Controversial No

Discovery

Year 2026
Method Transit
Facility Transiting Exoplanet Survey Satellite (TESS)
Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#125of 1176

top 10.5%

This planet

1.90R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth TOI-2094 b Jupiter
Radius (R⊕)1.001.9011.21
Mass (M⊕)1.004.27317.83
Density (g/cm³)5.513.421.33
Surface Gravity (g)1.001.182.53
Insolation (S⊕)1.000.980.037

Star Catalogue Identifiers

TIC

TIC 356016119

Gaia DR2

Gaia DR2 1649377156604531712

Gaia DR3

Gaia DR3 1649377156604531712

System

TOI-2094

Percentile among Super-Earth cohort

Radius 1.900 R⊕ · percentile 88 / cohort 1176
Mass 4.270 M⊕ · percentile 81 / cohort 1176
Orbital period 18.79 d · percentile 83 / cohort 1164
Distance 50.02 pc · percentile 11 / cohort 1171
ESI 0.824 · percentile 91 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
18.793 days
Semi-major axis
0.1360 AU
Eccentricity
Inclination
89.39 °

Year Length

A year here lasts approximately 18.79 Earth days (5.1% of a terrestrial year) at a mean orbital distance of 0.1360 AU.

Transit Fingerprint

Depth

0.207 %

Duration

1.221 h

Impact parameter b

0.818

Rp / R★

0.045500

Transit midpoint (BJD)

2,460,232.3610

Photometric dip

Transit produces a flux drop of 2,073 ppm lasting ≈ 1.22 h.

Extended Orbital Architecture

Planet / star radius ratio

0.045500

Semi-major axis / stellar radius

76.500

Impact parameter (b)

0.818

Transit mid-time (BJD)

2,460,232.3610

Angular separation (arcsec)

2.72000

Eq. Temperature

276K

(3 °C)

Insolation (S⊕)

0.98

Earth = 1.00

Earth Similarity (ESI)

0.824

0 = alien, 1 = Earth-identical

Within the conservative habitable zone — liquid water is physically possible with adequate atmospheric pressure. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Jiang et al. 2026

Instrument

TESS CCD Array

Publication

2026-02

Observation locale

Space

Host System: TOI-2094

Spectral Class

M-type red dwarf

Effective Temperature

3,435 K — cooler than the Sun (5,778 K)

Estimated Age

Stellar Radius

0.384 R☉

Stellar Mass

0.425 M☉

Metallicity [Fe/H]

-0.06

Extended Stellar Properties

Surface gravity (log g)

4.890 dex

Stellar density

9.622 g/cm³

Systemic radial velocity

-24.98 km/s

Metallicity ratio

[Fe/H]

Distance
50.02 parsec
Light-years 163.16 ly
V-band magnitude
14.41 mag
Voyager-speed travel 2,877,307 yr

Multi-band Host Photometry — 11 bands

9.216.015.98B14.41V13.45Gaia12.27TESS10.80J10.21H9.97K9.83W19.68W29.55W39.22W4

Astrometric Data

Parallax

19.961 mas

Total Proper Motion

55.269 mas/yr

PM Right Ascension

-55.27 mas/yr

PM Declination

0.04 mas/yr

Galactic Cartesian (pc)

x = -0.093 · y = -0.329 · z = 0.940

Equatorial (J2000)

RA 254.14253° · Dec 70.02732°

Galactic ℓ, b

101.461° · 35.073°

Ecliptic λ, β

142.198° · 83.217°

HTM-20 index

1524999527

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