Key parameters at a glance

A radius of 0.60 Earth radii
A mass of 0.16 Earth masses
Surface gravity around 0.43 g
An orbital period of 0.920 days
Distance from Earth 2,516.27 light-years
Earth Similarity Index 0.811
Travel time at Voyager 1 speed 44,374,489 years

1 sibling around Kepler-963

Kepler-963 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-963 c this	Rocky Terrestrial	0.60	0.16	0.920	—	2024
Kepler-963 b	Sub-Neptune	2.66	7.56	9.977	802	2016

Kepler-963 c Planet Profile

Physical Specs

Radius

0.60 R⊕

Radius (Jupiter)

0.054 R♃

Mass

0.16 M⊕

Mass (Jupiter)

0.000 M♃

Density

3.97 g/cm³

Surface Gravity

0.43 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.811

HZ Position Unknown

Controversial No

Discovery

Year 2024

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#550of 570

top 96.3%

This planet

0.60R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-1583 b 0.60 R⊕ Kepler-1998 b 0.60 R⊕ KOI-1843.03 0.61 R⊕

Metric	Earth	Kepler-963 c	Jupiter
Radius (R⊕)	1.00	0.60	11.21
Mass (M⊕)	1.00	0.16	317.83
Density (g/cm³)	5.51	3.97	1.33
Surface Gravity (g)	1.00	0.43	2.53
Insolation (S⊕)	1.00	—	0.037

Star Catalogue Identifiers

TIC

TIC 272605867

Gaia DR2

Gaia DR2 2079728790863754752

Gaia DR3

Gaia DR3 2079728790863754752

System

Kepler-963

Percentile among Rocky Terrestrial cohort

Radius 0.600 R⊕ · percentile 3 / cohort 570

Mass 0.156 M⊕ · percentile 2 / cohort 570

Orbital period 0.92 d · percentile 10 / cohort 567

Distance 771.49 pc · percentile 84 / cohort 566

ESI 0.811 · percentile 88 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

0.920 days

Semi-major axis

— AU

Eccentricity

—

Inclination

— °

Year Length

A year here lasts roughly 22.1 hours long.

Transit Fingerprint

Duration

1.400 h

Transit midpoint (BJD)

2,454,832.9010

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.811

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Wang et al. 2024

Instrument

Kepler CCD Array

Publication

2024-11

Observation locale

Space

Discovery cohort

Planets confirmed in 2024 at Kepler (4 shown).

KOI-4978 b · Rocky Terrestrial Kepler-1489 c · Rocky Terrestrial Kepler-158 d · Rocky Terrestrial Kepler-879 c · Rocky Terrestrial

Host System: Kepler-963

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,169 K — cooler than the Sun (5,778 K)

Estimated Age

13.20 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.928 R☉

Stellar Mass

0.821 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.520 dex

Stellar density

3.200 g/cm³

Metallicity ratio

[Fe/H]

Distance

771.49 parsec

Light-years 2,516.27 ly

V-band magnitude

15.09 mag

Voyager-speed travel 44,374,489 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.268 mas

Total Proper Motion

2.639 mas/yr

PM Right Ascension

0.39 mas/yr

PM Declination

-2.61 mas/yr

Galactic Cartesian (pc)

x = 0.318 · y = -0.631 · z = 0.708

Equatorial (J2000)

RA 296.75297° · Dec 45.04110°

Galactic ℓ, b

78.804° · 9.884°

Ecliptic λ, β

316.918° · 64.185°

HTM-20 index

-1919778198