Key parameters at a glance

A radius of 0.95 Earth radii
A mass of 0.81 Earth masses
Surface gravity around 0.90 g
An orbital period of 3.273 days
Semi-major axis 0.0349 AU
Equilibrium temperature 625 K (352 °C)
Distance from Earth 528.39 light-years
Earth Similarity Index 0.516
Travel time at Voyager 1 speed 9,318,198 years
Almost certainly tidally locked to its host star given the close orbit

Kepler-1049 b Planet Profile

Physical Specs

Radius

0.95 R⊕

Radius (Jupiter)

0.085 R♃

Mass

0.81 M⊕

Mass (Jupiter)

0.003 M♃

Density

5.18 g/cm³

Surface Gravity

0.90 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.516

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

#376of 570

top 65.8%

This planet

0.95R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1598 b 0.95 R⊕ Kepler-106 d 0.95 R⊕ Kepler-271 c 0.95 R⊕

Metric	Earth	Kepler-1049 b	Jupiter
Radius (R⊕)	1.00	0.95	11.21
Mass (M⊕)	1.00	0.81	317.83
Density (g/cm³)	5.51	5.18	1.33
Surface Gravity (g)	1.00	0.90	2.53
Insolation (S⊕)	1.00	50.43	0.037

Star Catalogue Identifiers

TIC

TIC 158489095

Gaia DR2

Gaia DR2 2131059628640021120

Gaia DR3

Gaia DR3 2131059628640021120

System

Kepler-1049

Percentile among Rocky Terrestrial cohort

Radius 0.950 R⊕ · percentile 33 / cohort 570

Mass 0.809 M⊕ · percentile 29 / cohort 570

Orbital period 3.27 d · percentile 37 / cohort 567

Distance 162.01 pc · percentile 29 / cohort 566

ESI 0.516 · percentile 72 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

3.273 days

Semi-major axis

0.0349 AU

Eccentricity

0.000

Inclination

88.10 °

Year Length

A year here lasts approximately 3.27 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0349 AU.

Transit Fingerprint

Depth

0.027 %

Duration

1.773 h

Impact parameter b

0.822

Rp / R★

0.017517

Transit midpoint (BJD)

2,454,967.4469

Photometric dip

Transit produces a flux drop of 269 ppm lasting ≈ 1.77 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017517

Semi-major axis / stellar radius

8.500

Impact parameter (b)

0.822

Transit mid-time (BJD)

2,454,967.4469

Angular separation (arcsec)

0.21500

Eq. Temperature

625K

(352 °C)

Insolation (S⊕)

50.43

Earth = 1.00

Earth Similarity (ESI)

0.516

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

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-1049

Spectral Class

K-type orange

Effective Temperature

3,864 K — cooler than the Sun (5,778 K)

Estimated Age

3.80 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.490 R☉

Stellar Mass

0.510 M☉

Metallicity [Fe/H]

-0.33

Extended Stellar Properties

Surface gravity (log g)

4.770 dex

Stellar density

4.018 g/cm³

Metallicity ratio

[Fe/H]

Distance

162.01 parsec

Light-years 528.39 ly

V-band magnitude

14.70 mag

Voyager-speed travel 9,318,198 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

6.144 mas

Total Proper Motion

28.623 mas/yr

PM Right Ascension

28.18 mas/yr

PM Declination

-5.03 mas/yr

Galactic Cartesian (pc)

x = 0.200 · y = -0.642 · z = 0.740

Equatorial (J2000)

RA 287.34696° · Dec 47.77291°

Galactic ℓ, b

78.482° · 16.909°

Ecliptic λ, β

304.272° · 69.157°

HTM-20 index

-769441064