Key parameters at a glance

A radius of 1.62 Earth radii
A mass of 3.26 Earth masses
Surface gravity around 1.24 g
An orbital period of 13.682 days
Semi-major axis 0.1156 AU
Equilibrium temperature 802 K (529 °C)
Distance from Earth 5,721.40 light-years
Earth Similarity Index 0.368
Travel time at Voyager 1 speed 100,896,812 years

Kepler-1207 b Planet Profile

Physical Specs

Radius

1.62 R⊕

Radius (Jupiter)

0.145 R♃

Mass

3.26 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.21 g/cm³

Surface Gravity

1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.368

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

#532of 1176

top 45.2%

This planet

1.62R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

TOI-1416 b 1.62 R⊕ K2-58 c 1.62 R⊕ Kepler-1400 b 1.62 R⊕

Metric	Earth	Kepler-1207 b	Jupiter
Radius (R⊕)	1.00	1.62	11.21
Mass (M⊕)	1.00	3.26	317.83
Density (g/cm³)	5.51	4.21	1.33
Surface Gravity (g)	1.00	1.24	2.53
Insolation (S⊕)	1.00	352.51	0.037

Star Catalogue Identifiers

TIC

TIC 27390527

Gaia DR2

Gaia DR2 2134833427427670016

Gaia DR3

Gaia DR3 2134833427427670016

System

Kepler-1207

Percentile among Super-Earth cohort

Radius 1.620 R⊕ · percentile 54 / cohort 1176

Mass 3.260 M⊕ · percentile 49 / cohort 1176

Orbital period 13.68 d · percentile 74 / cohort 1164

Distance 1,754.19 pc · percentile 97 / cohort 1171

ESI 0.368 · percentile 55 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

13.682 days

Semi-major axis

0.1156 AU

Eccentricity

0.000

Inclination

88.35 °

Year Length

A year here lasts approximately 13.68 Earth days (3.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1156 AU.

Transit Fingerprint

Depth

0.018 %

Duration

4.163 h

Impact parameter b

0.860

Rp / R★

0.013685

Transit midpoint (BJD)

2,454,972.1874

Photometric dip

Transit produces a flux drop of 180 ppm lasting ≈ 4.16 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013685

Semi-major axis / stellar radius

14.600

Impact parameter (b)

0.860

Transit mid-time (BJD)

2,454,972.1874

Angular separation (arcsec)

0.06590

Eq. Temperature

802K

(529 °C)

Insolation (S⊕)

352.51

Earth = 1.00

Earth Similarity (ESI)

0.368

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

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-1207

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,909 K — hotter than the Sun (5,778 K)

Estimated Age

3.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.060 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.05

Extended Stellar Properties

Surface gravity (log g)

4.410 dex

Stellar density

0.889 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,754.19 parsec

Light-years 5,721.40 ly

V-band magnitude

14.60 mag

Voyager-speed travel 100,896,812 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.541 mas

Total Proper Motion

5.203 mas/yr

PM Right Ascension

-1.80 mas/yr

PM Declination

-4.88 mas/yr

Galactic Cartesian (pc)

x = 0.276 · y = -0.590 · z = 0.759

Equatorial (J2000)

RA 295.06420° · Dec 49.35896°

Galactic ℓ, b

82.155° · 12.912°

Ecliptic λ, β

319.042° · 68.571°

HTM-20 index

-509784128