Key parameters at a glance

A radius of 1.62 Earth radii
A mass of 3.26 Earth masses
Surface gravity around 1.24 g
An orbital period of 0.352 days
Semi-major axis 0.0097 AU
Equilibrium temperature 2,609 K (2336 °C)
Distance from Earth 330.24 light-years
Earth Similarity Index 0.094
Travel time at Voyager 1 speed 5,823,715 years

TOI-2260 b Planet Profile

Physical Specs

Radius

1.62 R⊕

Radius (Jupiter)

0.145 R♃

Mass

3.26 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.21 g/cm³

Surface Gravity

1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.094

HZ Position Inner

Controversial No

Discovery

Year 2022

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#532of 1176

top 45.2%

This planet

1.62R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

TOI-1416 b 1.62 R⊕ K2-58 c 1.62 R⊕ Kepler-1400 b 1.62 R⊕

Metric	Earth	TOI-2260 b	Jupiter
Radius (R⊕)	1.00	1.62	11.21
Mass (M⊕)	1.00	3.26	317.83
Density (g/cm³)	5.51	4.21	1.33
Surface Gravity (g)	1.00	1.24	2.53
Insolation (S⊕)	1.00	1,844.98	0.037

Star Catalogue Identifiers

TIC

TIC 232568235

Gaia DR2

Gaia DR2 1411414592353022848

Gaia DR3

Gaia DR3 1411414596649598208

System

TOI-2260

Percentile among Super-Earth cohort

Radius 1.620 R⊕ · percentile 54 / cohort 1176

Mass 3.260 M⊕ · percentile 49 / cohort 1176

Orbital period 0.35 d · percentile 0 / cohort 1164

Distance 101.25 pc · percentile 17 / cohort 1171

ESI 0.094 · percentile 0 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

0.352 days

Semi-major axis

0.0097 AU

Eccentricity

—

Inclination

— °

Year Length

A year here lasts roughly 8.5 hours long at a mean orbital distance of 0.0097 AU.

Transit Fingerprint

Depth

0.031 %

Duration

0.578 h

Impact parameter b

0.770

Transit midpoint (BJD)

2,458,928.2390

Photometric dip

Transit produces a flux drop of 305 ppm lasting ≈ 0.58 h.

Eq. Temperature

2,609K

(2336 °C)

Insolation (S⊕)

1,844.98

Earth = 1.00

Earth Similarity (ESI)

0.094

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Giacalone et al. 2022

Instrument

TESS CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1452 b · Super-Earth TOI-712 d · Sub-Neptune TOI-1468 c · Sub-Neptune TOI-2136 b · Sub-Neptune LTT 1445 A c · Rocky Terrestrial TOI-712 c · Sub-Neptune LP 890-9 b · Super-Earth TOI-2081 b · Sub-Neptune GJ 3929 b · Rocky Terrestrial HD 260655 c · Super-Earth HD 73583 c · Sub-Neptune TOI-1759 b · Sub-Neptune

Host System: TOI-2260

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,534 K — cooler than the Sun (5,778 K)

Estimated Age

0.32 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.940 R☉

Stellar Mass

0.990 M☉

Metallicity [Fe/H]

0.22

Extended Stellar Properties

Surface gravity (log g)

4.620 dex

Stellar density

1.841 g/cm³

Rotation period

8.45 days

Activity index (log R'HK)

-4.438

Metallicity ratio

[Fe/H]

Distance

101.25 parsec

Light-years 330.24 ly

V-band magnitude

10.47 mag

Voyager-speed travel 5,823,715 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

9.848 mas

Total Proper Motion

66.401 mas/yr

PM Right Ascension

-25.30 mas/yr

PM Declination

61.39 mas/yr

Galactic Cartesian (pc)

x = -0.249 · y = -0.606 · z = 0.755

Equatorial (J2000)

RA 247.66700° · Dec 49.04679°

Galactic ℓ, b

75.956° · 42.888°

Ecliptic λ, β

225.764° · 69.081°

HTM-20 index

379538915