Key parameters at a glance

A radius of 1.35 Earth radii
A mass of 2.39 Earth masses
Surface gravity around 1.31 g
An orbital period of 3.704 days
Semi-major axis 0.0502 AU
Equilibrium temperature 1,839 K (1566 °C)
Distance from Earth 3,508.82 light-years
Earth Similarity Index 0.153
Travel time at Voyager 1 speed 61,878,017 years

Kepler-1244 b Planet Profile

Physical Specs

Radius

1.35 R⊕

Radius (Jupiter)

0.120 R♃

Mass

2.39 M⊕

Mass (Jupiter)

0.008 M♃

Density

5.34 g/cm³

Surface Gravity

1.31 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.153

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

#996of 1176

top 84.6%

This planet

1.35R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-446 d 1.35 R⊕ Kepler-1532 b 1.35 R⊕ Kepler-301 c 1.35 R⊕

Metric	Earth	Kepler-1244 b	Jupiter
Radius (R⊕)	1.00	1.35	11.21
Mass (M⊕)	1.00	2.39	317.83
Density (g/cm³)	5.51	5.34	1.33
Surface Gravity (g)	1.00	1.31	2.53
Insolation (S⊕)	1.00	4,756.33	0.037

Star Catalogue Identifiers

TIC

TIC 123447592

Gaia DR2

Gaia DR2 2119130163697443840

Gaia DR3

Gaia DR3 2119130163697443840

System

Kepler-1244

Percentile among Super-Earth cohort

Radius 1.350 R⊕ · percentile 14 / cohort 1176

Mass 2.390 M⊕ · percentile 14 / cohort 1176

Orbital period 3.70 d · percentile 28 / cohort 1164

Distance 1,075.81 pc · percentile 85 / cohort 1171

ESI 0.153 · percentile 5 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

3.704 days

Semi-major axis

0.0502 AU

Eccentricity

0.000

Inclination

90.00 °

Year Length

A year here lasts approximately 3.70 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0502 AU.

Transit Fingerprint

Depth

0.006 %

Duration

3.281 h

Impact parameter b

0.550

Rp / R★

0.007078

Transit midpoint (BJD)

2,454,965.2159

Photometric dip

Transit produces a flux drop of 58 ppm lasting ≈ 3.28 h.

Extended Orbital Architecture

Planet / star radius ratio

0.007078

Semi-major axis / stellar radius

8.475

Impact parameter (b)

0.550

Transit mid-time (BJD)

2,454,965.2159

Angular separation (arcsec)

0.04670

Eq. Temperature

1,839K

(1566 °C)

Insolation (S⊕)

4,756.33

Earth = 1.00

Earth Similarity (ESI)

0.153

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-1244

Spectral Class

F-type yellow-white

Effective Temperature

6,680 K — hotter than the Sun (5,778 K)

Estimated Age

1.70 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.770 R☉

Stellar Mass

1.460 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.100 dex

Stellar density

0.118 g/cm³

Systemic radial velocity

4.72 km/s

Metallicity ratio

[Fe/H]

Distance

1,075.81 parsec

Light-years 3,508.82 ly

V-band magnitude

12.44 mag

Voyager-speed travel 61,878,017 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.901 mas

Total Proper Motion

3.915 mas/yr

PM Right Ascension

-0.16 mas/yr

PM Declination

-3.91 mas/yr

Galactic Cartesian (pc)

x = 0.147 · y = -0.672 · z = 0.726

Equatorial (J2000)

RA 282.30125° · Dec 46.51618°

Galactic ℓ, b

75.977° · 19.683°

Ecliptic λ, β

294.064° · 68.930°

HTM-20 index

1862496626