Key parameters at a glance

A radius of 1.27 Earth radii
A mass of 2.16 Earth masses
Surface gravity around 1.33 g
An orbital period of 2.758 days
Semi-major axis 0.0296 AU
Equilibrium temperature 615 K (342 °C)
Distance from Earth 883.03 light-years
Earth Similarity Index 0.509
Travel time at Voyager 1 speed 15,572,260 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1741 b Planet Profile

Physical Specs

Radius

1.27 R⊕

Radius (Jupiter)

0.114 R♃

Mass

2.16 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.75 g/cm³

Surface Gravity

1.33 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.509

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1132of 1176

top 96.2%

This planet

1.27R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

K2-169 b 1.27 R⊕ K2-233 c 1.27 R⊕ LHS 1140 c 1.27 R⊕

Metric	Earth	Kepler-1741 b	Jupiter
Radius (R⊕)	1.00	1.27	11.21
Mass (M⊕)	1.00	2.16	317.83
Density (g/cm³)	5.51	5.75	1.33
Surface Gravity (g)	1.00	1.33	2.53
Insolation (S⊕)	1.00	33.79	0.037

Star Catalogue Identifiers

TIC

TIC 137689252

Gaia DR2

Gaia DR2 2053093637076689664

Gaia DR3

Gaia DR3 2053093637076689664

System

Kepler-1741

Percentile among Super-Earth cohort

Radius 1.273 R⊕ · percentile 4 / cohort 1176

Mass 2.160 M⊕ · percentile 5 / cohort 1176

Orbital period 2.76 d · percentile 19 / cohort 1164

Distance 270.74 pc · percentile 29 / cohort 1171

ESI 0.509 · percentile 74 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.758 days

Semi-major axis

0.0296 AU

Eccentricity

0.000

Inclination

89.77 °

Year Length

A year here lasts approximately 2.76 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0296 AU.

Transit Fingerprint

Depth

0.056 %

Duration

1.067 h

Impact parameter b

0.093

Rp / R★

0.021901

Transit midpoint (BJD)

2,454,966.0490

Photometric dip

Transit produces a flux drop of 563 ppm lasting ≈ 1.07 h.

Extended Orbital Architecture

Planet / star radius ratio

0.021901

Semi-major axis / stellar radius

19.570

Impact parameter (b)

0.093

Transit mid-time (BJD)

2,454,966.0490

Angular separation (arcsec)

0.10900

Eq. Temperature

615K

(342 °C)

Insolation (S⊕)

33.79

Earth = 1.00

Earth Similarity (ESI)

0.509

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

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1741

Spectral Class

M-type red dwarf

Effective Temperature

3,683 K — cooler than the Sun (5,778 K)

Estimated Age

13.40 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.424 R☉

Stellar Mass

0.454 M☉

Metallicity [Fe/H]

-0.22

Extended Stellar Properties

Surface gravity (log g)

4.840 dex

Stellar density

30.831 g/cm³

Metallicity ratio

[Fe/H]

Distance

270.74 parsec

Light-years 883.03 ly

V-band magnitude

16.15 mag

Voyager-speed travel 15,572,260 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

3.665 mas

Total Proper Motion

11.857 mas/yr

PM Right Ascension

6.15 mas/yr

PM Declination

10.14 mas/yr

Galactic Cartesian (pc)

x = 0.298 · y = -0.716 · z = 0.631

Equatorial (J2000)

RA 292.57707° · Dec 39.12094°

Galactic ℓ, b

72.024° · 9.855°

Ecliptic λ, β

306.243° · 59.751°

HTM-20 index

1155332277