Key parameters at a glance

A radius of 2.97 Earth radii
A mass of 9.11 Earth masses
Surface gravity around 1.03 g
An orbital period of 7.039 days
Semi-major axis 0.0744 AU
Equilibrium temperature 1,051 K (778 °C)
Distance from Earth 5,420.29 light-years
Earth Similarity Index 0.221
Travel time at Voyager 1 speed 95,586,786 years

Kepler-741 b Planet Profile

Physical Specs

Radius

2.97 R⊕

Radius (Jupiter)

0.265 R♃

Mass

9.11 M⊕

Mass (Jupiter)

0.029 M♃

Density

1.91 g/cm³

Surface Gravity

1.03 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.221

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#546of 1978

top 27.6%

This planet

2.97R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-949 c 2.97 R⊕ Kepler-1354 b 2.97 R⊕ Kepler-993 b 2.97 R⊕

Metric	Earth	Kepler-741 b	Jupiter
Radius (R⊕)	1.00	2.97	11.21
Mass (M⊕)	1.00	9.11	317.83
Density (g/cm³)	5.51	1.91	1.33
Surface Gravity (g)	1.00	1.03	2.53
Insolation (S⊕)	1.00	461.99	0.037

Star Catalogue Identifiers

TIC

TIC 159050690

Gaia DR2

Gaia DR2 2127728520725956224

Gaia DR3

Gaia DR3 2127728520725956224

System

Kepler-741

Percentile among Sub-Neptune cohort

Radius 2.970 R⊕ · percentile 72 / cohort 1978

Mass 9.110 M⊕ · percentile 66 / cohort 1978

Orbital period 7.04 d · percentile 22 / cohort 1946

Distance 1,661.87 pc · percentile 95 / cohort 1975

ESI 0.221 · percentile 10 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

7.039 days

Semi-major axis

0.0744 AU

Eccentricity

0.000

Inclination

89.94 °

Year Length

A year here lasts approximately 7.04 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0744 AU.

Transit Fingerprint

Depth

0.053 %

Duration

3.890 h

Impact parameter b

0.862

Rp / R★

0.022031

Transit midpoint (BJD)

2,455,008.7302

Photometric dip

Transit produces a flux drop of 530 ppm lasting ≈ 3.89 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022031

Semi-major axis / stellar radius

14.225

Impact parameter (b)

0.862

Transit mid-time (BJD)

2,455,008.7302

Angular separation (arcsec)

0.04480

Eq. Temperature

1,051K

(778 °C)

Insolation (S⊕)

461.99

Earth = 1.00

Earth Similarity (ESI)

0.221

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-741

Spectral Class

F-type yellow-white

Effective Temperature

6,129 K — hotter than the Sun (5,778 K)

Estimated Age

3.16 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.240 R☉

Stellar Mass

1.160 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

1.099 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,661.87 parsec

Light-years 5,420.29 ly

V-band magnitude

15.19 mag

Voyager-speed travel 95,586,786 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.573 mas

Total Proper Motion

4.813 mas/yr

PM Right Ascension

-1.01 mas/yr

PM Declination

-4.71 mas/yr

Galactic Cartesian (pc)

x = 0.229 · y = -0.648 · z = 0.727

Equatorial (J2000)

RA 289.43173° · Dec 46.61750°

Galactic ℓ, b

77.946° · 15.155°

Ecliptic λ, β

306.820° · 67.588°

HTM-20 index

1795636321