Confirmed Exoplanet Discovered 2022

TOI-2411 b

A super-earth orbiting the k-type orange TOI-2411, located approximately 194.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.68 Earth radii
  • A mass of 3.46 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 0.783 days
  • Semi-major axis 0.0144 AU
  • Equilibrium temperature 1,355 K (1082 °C)
  • Distance from Earth 194.18 light-years
  • Earth Similarity Index 0.205
  • Travel time at Voyager 1 speed 3,424,380 years
  • Almost certainly tidally locked to its host star given the close orbit

TOI-2411 b Planet Profile

Physical Specs

Radius
1.68 R⊕
Radius (Jupiter)
0.150 R♃
Mass
3.46 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.01 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.205
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

#435of 1176

top 36.9%

This planet

1.68R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth TOI-2411 b Jupiter
Radius (R⊕)1.001.6811.21
Mass (M⊕)1.003.46317.83
Density (g/cm³)5.514.011.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.001,051.140.037

Star Catalogue Identifiers

TIC

TIC 10837041

Gaia DR2

Gaia DR2 2471334872292716288

Gaia DR3

Gaia DR3 2471334872292963456

System

TOI-2411

Percentile among Super-Earth cohort

Radius 1.680 R⊕ · percentile 62 / cohort 1176
Mass 3.460 M⊕ · percentile 56 / cohort 1176
Orbital period 0.78 d · percentile 4 / cohort 1164
Distance 59.54 pc · percentile 12 / cohort 1171
ESI 0.205 · percentile 13 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
0.783 days
Semi-major axis
0.0144 AU
Eccentricity
Inclination
°

Year Length

A year here lasts roughly 18.8 hours long at a mean orbital distance of 0.0144 AU.

Transit Fingerprint

Depth

0.053 %

Duration

1.040 h

Impact parameter b

0.390

Transit midpoint (BJD)

2,459,116.0139

Photometric dip

Transit produces a flux drop of 527 ppm lasting ≈ 1.04 h.

Eq. Temperature

1,355K

(1082 °C)

Insolation (S⊕)

1,051.14

Earth = 1.00

Earth Similarity (ESI)

0.205

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Giacalone et al. 2022

Instrument

TESS CCD Array

Publication

2022-02

Observation locale

Space

Host System: TOI-2411

Spectral Class

K-type orange

Effective Temperature

4,099 K — cooler than the Sun (5,778 K)

Estimated Age

Stellar Radius

0.680 R☉

Stellar Mass

0.650 M☉

Metallicity [Fe/H]

Distance
59.54 parsec
Light-years 194.18 ly
V-band magnitude
11.27 mag
Voyager-speed travel 3,424,380 yr

Multi-band Host Photometry — 16 bands

8.315.515.49U13.82B11.27V11.22Gaia10.42TESS12.78Sloan g11.34Sloan r10.82Sloan i12.52Sloan z9.33J8.60H8.53K8.44W18.51W28.41W38.26W4

Astrometric Data

Parallax

16.768 mas

Total Proper Motion

151.561 mas/yr

PM Right Ascension

-117.86 mas/yr

PM Declination

-95.29 mas/yr

Galactic Cartesian (pc)

x = 0.923 · y = 0.353 · z = -0.151

Equatorial (J2000)

RA 20.92246° · Dec -8.70179°

Galactic ℓ, b

146.917° · -70.057°

Ecliptic λ, β

15.935° · -16.214°

HTM-20 index

1625767310

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