Key parameters at a glance

A radius of 1.65 Earth radii
A mass of 3.37 Earth masses
Surface gravity around 1.24 g
An orbital period of 6.158 days
Semi-major axis 0.0696 AU
Equilibrium temperature 1,212 K (939 °C)
Distance from Earth 2,954.40 light-years
Earth Similarity Index 0.234
Travel time at Voyager 1 speed 52,100,887 years

1 sibling around Kepler-1488

Kepler-1488 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-1488 c this	Super-Earth	1.65	3.37	6.158	1,212	2021
Kepler-1488 b	Super-Earth	1.86	4.12	39.819	650	2016

Kepler-1488 c Planet Profile

Physical Specs

Radius

1.65 R⊕

Radius (Jupiter)

0.147 R♃

Mass

3.37 M⊕

Mass (Jupiter)

0.011 M♃

Density

4.11 g/cm³

Surface Gravity

1.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.234

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#484of 1176

top 41.1%

This planet

1.65R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-400 b 1.65 R⊕ K2-343 b 1.65 R⊕ Kepler-360 b 1.65 R⊕

Metric	Earth	Kepler-1488 c	Jupiter
Radius (R⊕)	1.00	1.65	11.21
Mass (M⊕)	1.00	3.37	317.83
Density (g/cm³)	5.51	4.11	1.33
Surface Gravity (g)	1.00	1.24	2.53
Insolation (S⊕)	1.00	760.60	0.037

Star Catalogue Identifiers

TIC

TIC 399825584

Gaia DR2

Gaia DR2 2133584309198180736

Gaia DR3

Gaia DR3 2133584309198180736

System

Kepler-1488

Percentile among Super-Earth cohort

Radius 1.652 R⊕ · percentile 59 / cohort 1176

Mass 3.370 M⊕ · percentile 53 / cohort 1176

Orbital period 6.16 d · percentile 48 / cohort 1164

Distance 905.83 pc · percentile 75 / cohort 1171

ESI 0.234 · percentile 19 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

6.158 days

Semi-major axis

0.0696 AU

Eccentricity

0.000

Inclination

84.39 °

Year Length

A year here lasts approximately 6.16 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0696 AU.

Transit Fingerprint

Depth

0.006 %

Duration

6.285 h

Impact parameter b

0.322

Rp / R★

0.006994

Transit midpoint (BJD)

2,454,968.4999

Photometric dip

Transit produces a flux drop of 57 ppm lasting ≈ 6.29 h.

Extended Orbital Architecture

Planet / star radius ratio

0.006994

Semi-major axis / stellar radius

7.170

Impact parameter (b)

0.322

Transit mid-time (BJD)

2,454,968.4999

Angular separation (arcsec)

0.07680

Eq. Temperature

1,212K

(939 °C)

Insolation (S⊕)

760.60

Earth = 1.00

Earth Similarity (ESI)

0.234

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Kepler (12 shown).

Kepler-1816 b · Super-Earth Kepler-1705 c · Sub-Neptune Kepler-1948 b · Rocky Terrestrial Kepler-196 d · Sub-Neptune Kepler-1853 b · Super-Earth Kepler-1840 b · Sub-Neptune Kepler-1881 b · Sub-Neptune Kepler-1858 b · Sub-Neptune Kepler-1874 b · Sub-Neptune Kepler-1802 c · Sub-Neptune Kepler-1749 b · Super-Earth Kepler-1849 b · Sub-Neptune

Host System: Kepler-1488

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,710 K — cooler than the Sun (5,778 K)

Estimated Age

5.75 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.524 R☉

Stellar Mass

1.003 M☉

Metallicity [Fe/H]

0.00

Extended Stellar Properties

Surface gravity (log g)

4.073 dex

Stellar density

0.112 g/cm³

Metallicity ratio

[Fe/H]

Distance

905.83 parsec

Light-years 2,954.40 ly

V-band magnitude

13.15 mag

Voyager-speed travel 52,100,887 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.075 mas

Total Proper Motion

9.334 mas/yr

PM Right Ascension

1.90 mas/yr

PM Declination

9.14 mas/yr

Galactic Cartesian (pc)

x = 0.184 · y = -0.617 · z = 0.765

Equatorial (J2000)

RA 286.64643° · Dec 49.93777°

Galactic ℓ, b

80.419° · 18.129°

Ecliptic λ, β

305.201° · 71.348°

HTM-20 index

363175723