Key parameters at a glance

A radius of 1.90 Earth radii
A mass of 3.50 Earth masses
Surface gravity around 0.97 g
An orbital period of 4.173 days
Semi-major axis 0.0511 AU
Equilibrium temperature 1,216 K (943 °C)
Distance from Earth 275.72 light-years
Earth Similarity Index 0.217
Travel time at Voyager 1 speed 4,862,320 years

5 siblings around TOI-1136

TOI-1136 b shares its host star with 5 other confirmed planets. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
TOI-1136 b this	Super-Earth	1.90	3.50	4.173	1,216	2022
TOI-1136 c	Sub-Neptune	2.88	6.32	6.257	1,062	2022
TOI-1136 d	Neptune-like	4.63	8.35	12.520	843	2022
TOI-1136 e	Sub-Neptune	2.64	6.07	18.801	737	2022
TOI-1136 f	Sub-Neptune	3.74	9.70	26.321	658	2022
TOI-1136 g	Sub-Neptune	2.53	5.60	39.545	574	2022

TOI-1136 b Planet Profile

Physical Specs

Radius

1.90 R⊕

Radius (Jupiter)

0.170 R♃

Mass

3.50 M⊕

Mass (Jupiter)

0.011 M♃

Density

2.80 g/cm³

Surface Gravity

0.97 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.217

HZ Position Unknown

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

#125of 1176

top 10.5%

This planet

1.90R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-158 c 1.90 R⊕ Kepler-349 b 1.90 R⊕ Kepler-196 b 1.90 R⊕

Metric	Earth	TOI-1136 b	Jupiter
Radius (R⊕)	1.00	1.90	11.21
Mass (M⊕)	1.00	3.50	317.83
Density (g/cm³)	5.51	2.80	1.33
Surface Gravity (g)	1.00	0.97	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	3.500 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 142276270

Gaia DR2

Gaia DR2 1677343097418015488

Gaia DR3

Gaia DR3 1677343097418015488

System

TOI-1136

Percentile among Super-Earth cohort

Radius 1.900 R⊕ · percentile 88 / cohort 1176

Mass 3.500 M⊕ · percentile 58 / cohort 1176

Orbital period 4.17 d · percentile 33 / cohort 1164

Distance 84.54 pc · percentile 16 / cohort 1171

ESI 0.217 · percentile 16 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

4.173 days

Semi-major axis

0.0511 AU

Eccentricity

0.027

Inclination

86.40 °

Year Length

A year here lasts approximately 4.17 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0511 AU.

Transit Fingerprint

Duration

2.070 h

Impact parameter b

0.705

Rp / R★

0.018000

Transit midpoint (BJD)

2,458,684.7000

Extended Orbital Architecture

Planet / star radius ratio

0.018000

Semi-major axis / stellar radius

11.290

Impact parameter (b)

0.705

RV semi-amplitude (K)

3.200 m/s

Transit mid-time (BJD)

2,458,684.7000

Long. of periastron (ω)

25.00°

Angular separation (arcsec)

0.60400

Eq. Temperature

1,216K

(943 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.217

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Dai et al. 2022

Instrument

TESS CCD Array

Publication

2022-10

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-1136

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,770 K — cooler than the Sun (5,778 K)

Estimated Age

0.70 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.968 R☉

Stellar Mass

1.022 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.470 dex

Stellar density

1.565 g/cm³

Rotational v·sin i

6.70 km/s

Activity index (log R'HK)

-4.490

Metallicity ratio

[Fe/H]

Distance

84.54 parsec

Light-years 275.72 ly

V-band magnitude

9.53 mag

Voyager-speed travel 4,862,320 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

11.800 mas

Total Proper Motion

10.214 mas/yr

PM Right Ascension

0.94 mas/yr

PM Declination

-10.17 mas/yr

Galactic Cartesian (pc)

x = -0.415 · y = -0.090 · z = 0.905

Equatorial (J2000)

RA 192.18490° · Dec 64.85528°

Galactic ℓ, b

123.400° · 52.271°

Ecliptic λ, β

146.219° · 60.022°

HTM-20 index

1171597118