Key parameters at a glance

A radius of 1.33 Earth radii
A mass of 2.33 Earth masses
Surface gravity around 1.32 g
An orbital period of 48.051 days
Semi-major axis 0.2528 AU
Equilibrium temperature 564 K (291 °C)
Distance from Earth 2,413.55 light-years
Earth Similarity Index 0.551
Travel time at Voyager 1 speed 42,563,029 years

Kepler-1498 b Planet Profile

Physical Specs

Radius

1.33 R⊕

Radius (Jupiter)

0.119 R♃

Mass

2.33 M⊕

Mass (Jupiter)

0.007 M♃

Density

5.44 g/cm³

Surface Gravity

1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.551

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

#1022of 1176

top 86.8%

This planet

1.33R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-393 c 1.33 R⊕ Kepler-286 d 1.33 R⊕ Kepler-220 e 1.33 R⊕

Metric	Earth	Kepler-1498 b	Jupiter
Radius (R⊕)	1.00	1.33	11.21
Mass (M⊕)	1.00	2.33	317.83
Density (g/cm³)	5.51	5.44	1.33
Surface Gravity (g)	1.00	1.32	2.53
Insolation (S⊕)	1.00	9.86	0.037

Star Catalogue Identifiers

TIC

TIC 164785771

Gaia DR2

Gaia DR2 2106747876063966976

Gaia DR3

Gaia DR3 2106747876063966976

System

Kepler-1498

Percentile among Super-Earth cohort

Radius 1.330 R⊕ · percentile 11 / cohort 1176

Mass 2.330 M⊕ · percentile 11 / cohort 1176

Orbital period 48.05 d · percentile 96 / cohort 1164

Distance 740.00 pc · percentile 63 / cohort 1171

ESI 0.551 · percentile 77 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

48.051 days

Semi-major axis

0.2528 AU

Eccentricity

0.000

Inclination

89.77 °

Year Length

A year here lasts approximately 48.05 Earth days (13.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2528 AU.

Transit Fingerprint

Depth

0.027 %

Duration

7.638 h

Impact parameter b

0.147

Rp / R★

0.015046

Transit midpoint (BJD)

2,454,973.5010

Photometric dip

Transit produces a flux drop of 275 ppm lasting ≈ 7.64 h.

Extended Orbital Architecture

Planet / star radius ratio

0.015046

Semi-major axis / stellar radius

48.270

Impact parameter (b)

0.147

Transit mid-time (BJD)

2,454,973.5010

Angular separation (arcsec)

0.34200

Eq. Temperature

564K

(291 °C)

Insolation (S⊕)

9.86

Earth = 1.00

Earth Similarity (ESI)

0.551

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-1498

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,256 K — cooler than the Sun (5,778 K)

Estimated Age

4.17 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.810 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

0.786 g/cm³

Metallicity ratio

[Fe/H]

Distance

740.00 parsec

Light-years 2,413.55 ly

V-band magnitude

15.35 mag

Voyager-speed travel 42,563,029 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.048 mas

Total Proper Motion

10.630 mas/yr

PM Right Ascension

-1.10 mas/yr

PM Declination

-10.57 mas/yr

Galactic Cartesian (pc)

x = 0.181 · y = -0.685 · z = 0.706

Equatorial (J2000)

RA 284.77809° · Dec 44.91675°

Galactic ℓ, b

75.020° · 17.509°

Ecliptic λ, β

297.472° · 66.952°

HTM-20 index

411180769