Key parameters at a glance

A radius of 1.57 Earth radii
A mass of 3.08 Earth masses
Surface gravity around 1.25 g
An orbital period of 3.491 days
Semi-major axis 0.0418 AU
Equilibrium temperature 1,010 K (737 °C)
Distance from Earth 2,670.43 light-years
Earth Similarity Index 0.291
Travel time at Voyager 1 speed 47,093,059 years

Kepler-1699 b Planet Profile

Physical Specs

Radius

1.57 R⊕

Radius (Jupiter)

0.140 R♃

Mass

3.08 M⊕

Mass (Jupiter)

0.010 M♃

Density

4.40 g/cm³

Surface Gravity

1.25 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.291

HZ Position Inner

Controversial No

Discovery

Year 2020

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#631of 1176

top 53.6%

This planet

1.57R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

K2-136 d 1.57 R⊕ EPIC 201595106 b 1.57 R⊕ Kepler-730 c 1.57 R⊕

Metric	Earth	Kepler-1699 b	Jupiter
Radius (R⊕)	1.00	1.57	11.21
Mass (M⊕)	1.00	3.08	317.83
Density (g/cm³)	5.51	4.40	1.33
Surface Gravity (g)	1.00	1.25	2.53
Insolation (S⊕)	1.00	245.65	0.037

Star Catalogue Identifiers

TIC

TIC 26584080

Gaia DR2

Gaia DR2 2129698261447024128

Gaia DR3

Gaia DR3 2129698261447024128

System

Kepler-1699

Percentile among Super-Earth cohort

Radius 1.567 R⊕ · percentile 46 / cohort 1176

Mass 3.080 M⊕ · percentile 42 / cohort 1176

Orbital period 3.49 d · percentile 26 / cohort 1164

Distance 818.76 pc · percentile 69 / cohort 1171

ESI 0.291 · percentile 34 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

3.491 days

Semi-major axis

0.0418 AU

Eccentricity

0.000

Inclination

89.64 °

Year Length

A year here lasts approximately 3.49 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0418 AU.

Transit Fingerprint

Depth

0.034 %

Duration

1.451 h

Impact parameter b

0.116

Rp / R★

0.016727

Transit midpoint (BJD)

2,454,966.1027

Photometric dip

Transit produces a flux drop of 337 ppm lasting ≈ 1.45 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016727

Semi-major axis / stellar radius

18.570

Impact parameter (b)

0.116

Transit mid-time (BJD)

2,454,966.1027

Angular separation (arcsec)

0.05110

Eq. Temperature

1,010K

(737 °C)

Insolation (S⊕)

245.65

Earth = 1.00

Earth Similarity (ESI)

0.291

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Armstrong et al. 2021

Instrument

Kepler CCD Array

Publication

2021-07

Observation locale

Space

Discovery cohort

Planets confirmed in 2020 at Kepler (12 shown).

Kepler-1649 c · Rocky Terrestrial Kepler-1701 b · Sub-Neptune Kepler-1690 b · Sub-Neptune Kepler-1700 b · Sub-Neptune Kepler-1684 b · Sub-Neptune Kepler-1678 b · Sub-Neptune Kepler-598 c · Sub-Neptune Kepler-1661 b · Sub-Neptune Kepler-1663 b · Sub-Neptune Kepler-1681 b · Sub-Neptune Kepler-1672 b · Sub-Neptune Kepler-1702 b · Super-Earth

Host System: Kepler-1699

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,576 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.725 R☉

Stellar Mass

0.810 M☉

Metallicity [Fe/H]

0.23

Extended Stellar Properties

Surface gravity (log g)

4.618 dex

Stellar density

9.941 g/cm³

Metallicity ratio

[M/H]

Distance

818.76 parsec

Light-years 2,670.43 ly

V-band magnitude

14.84 mag

Voyager-speed travel 47,093,059 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Total Proper Motion

14.144 mas/yr

PM Right Ascension

-12.33 mas/yr

PM Declination

-6.94 mas/yr

Galactic Cartesian (pc)

x = 0.248 · y = -0.609 · z = 0.754

Equatorial (J2000)

RA 292.13733° · Dec 48.91716°

Galactic ℓ, b

80.887° · 14.443°

Ecliptic λ, β

313.750° · 69.018°

HTM-20 index

698494664