Key parameters at a glance

A radius of 1.98 Earth radii
A mass of 4.58 Earth masses
Surface gravity around 1.17 g
An orbital period of 2.758 days
Semi-major axis 0.0388 AU
Equilibrium temperature 1,332 K (1059 °C)
Distance from Earth 1,772.25 light-years
Earth Similarity Index 0.198
Travel time at Voyager 1 speed 31,253,630 years

Kepler-1061 b Planet Profile

Physical Specs

Radius

1.98 R⊕

Radius (Jupiter)

0.177 R♃

Mass

4.58 M⊕

Mass (Jupiter)

0.014 M♃

Density

3.24 g/cm³

Surface Gravity

1.17 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.198

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

#25of 1176

top 2.0%

This planet

1.98R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-59 c 1.98 R⊕ GJ 9827 d 1.98 R⊕ Kepler-1025 b 1.98 R⊕

Metric	Earth	Kepler-1061 b	Jupiter
Radius (R⊕)	1.00	1.98	11.21
Mass (M⊕)	1.00	4.58	317.83
Density (g/cm³)	5.51	3.24	1.33
Surface Gravity (g)	1.00	1.17	2.53
Insolation (S⊕)	1.00	788.50	0.037

Star Catalogue Identifiers

TIC

TIC 27776660

Gaia DR2

Gaia DR2 2135301338343246848

Gaia DR3

Gaia DR3 2135301338343246848

System

Kepler-1061

Percentile among Super-Earth cohort

Radius 1.980 R⊕ · percentile 97 / cohort 1176

Mass 4.580 M⊕ · percentile 89 / cohort 1176

Orbital period 2.76 d · percentile 19 / cohort 1164

Distance 543.38 pc · percentile 50 / cohort 1171

ESI 0.198 · percentile 12 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

2.758 days

Semi-major axis

0.0388 AU

Eccentricity

0.000

Inclination

80.18 °

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 0.0388 AU.

Transit Fingerprint

Depth

0.022 %

Duration

2.291 h

Impact parameter b

0.460

Rp / R★

0.017265

Transit midpoint (BJD)

2,454,964.8788

Photometric dip

Transit produces a flux drop of 221 ppm lasting ≈ 2.29 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017265

Semi-major axis / stellar radius

3.330

Impact parameter (b)

0.460

Transit mid-time (BJD)

2,454,964.8788

Angular separation (arcsec)

0.07140

Eq. Temperature

1,332K

(1059 °C)

Insolation (S⊕)

788.50

Earth = 1.00

Earth Similarity (ESI)

0.198

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-1061

Spectral Class

F-type yellow-white

Effective Temperature

6,067 K — hotter than the Sun (5,778 K)

Estimated Age

2.14 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.070 R☉

Stellar Mass

1.090 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.420 dex

Stellar density

1.060 g/cm³

Metallicity ratio

[Fe/H]

Distance

543.38 parsec

Light-years 1,772.25 ly

V-band magnitude

13.32 mag

Voyager-speed travel 31,253,630 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.812 mas

Total Proper Motion

3.855 mas/yr

PM Right Ascension

3.83 mas/yr

PM Declination

0.44 mas/yr

Galactic Cartesian (pc)

x = 0.282 · y = -0.573 · z = 0.769

Equatorial (J2000)

RA 296.23003° · Dec 50.27521°

Galactic ℓ, b

83.343° · 12.661°

Ecliptic λ, β

322.077° · 69.019°

HTM-20 index

-152909254