Key parameters at a glance

A radius of 2.42 Earth radii
A mass of 6.42 Earth masses
Surface gravity around 1.10 g
An orbital period of 12.056 days
Semi-major axis 0.1012 AU
Equilibrium temperature 584 K (311 °C)
Distance from Earth 215.57 light-years
Earth Similarity Index 0.437
Travel time at Voyager 1 speed 3,801,505 years

TOI-1630.01 Planet Profile

Physical Specs

Radius

2.42 R⊕

Radius (Jupiter)

0.216 R♃

Mass

6.42 M⊕

Mass (Jupiter)

0.020 M♃

Density

2.50 g/cm³

Surface Gravity

1.10 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.437

HZ Position Inner

Controversial No

Discovery

Year 2024

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1307of 1978

top 66.0%

This planet

2.42R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

TOI-178 f 2.42 R⊕ K2-397 b 2.42 R⊕ TOI-4308 b 2.42 R⊕

Metric	Earth	TOI-1630.01	Jupiter
Radius (R⊕)	1.00	2.42	11.21
Mass (M⊕)	1.00	6.42	317.83
Density (g/cm³)	5.51	2.50	1.33
Surface Gravity (g)	1.00	1.10	2.53
Insolation (S⊕)	1.00	55.58	0.037

Star Catalogue Identifiers

TIC

TIC 317597583

Gaia DR2

Gaia DR2 2233231540491361408

Gaia DR3

Gaia DR3 2233231540491361408

System

TOI-1630

Percentile among Sub-Neptune cohort

Radius 2.417 R⊕ · percentile 34 / cohort 1978

Mass 6.420 M⊕ · percentile 32 / cohort 1978

Orbital period 12.06 d · percentile 42 / cohort 1946

Distance 66.09 pc · percentile 15 / cohort 1975

ESI 0.437 · percentile 60 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

12.056 days

Semi-major axis

0.1012 AU

Eccentricity

—

Inclination

— °

Year Length

A year here lasts approximately 12.06 Earth days (3.3% of a terrestrial year) at a mean orbital distance of 0.1012 AU.

Transit Fingerprint

Depth

0.081 %

Duration

2.087 h

Rp / R★

0.026500

Transit midpoint (BJD)

2,459,931.2247

Photometric dip

Transit produces a flux drop of 807 ppm lasting ≈ 2.09 h.

Eq. Temperature

584K

(311 °C)

Insolation (S⊕)

55.58

Earth = 1.00

Earth Similarity (ESI)

0.437

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

Crossfield et al. 2024

Instrument

TESS CCD Array

Publication

2024-11

Observation locale

Space

Discovery cohort

Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

Gliese 12 b · Rocky Terrestrial TOI-6002 b · Super-Earth TOI-5713 b · Super-Earth TOI-4336 A b · Sub-Neptune TOI-406.01 · Sub-Neptune TOI-1224 c · Sub-Neptune LHS 1678 d · Rocky Terrestrial TOI-2088 b · Sub-Neptune TOI-2120 b · Sub-Neptune TOI-1806.01 · Sub-Neptune TOI-4633 c · Sub-Neptune TOI-260 b · Super-Earth

Host System: TOI-1630

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,504 K — cooler than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

0.830 R☉

Stellar Mass

0.950 M☉

Metallicity [Fe/H]

—

Distance

66.09 parsec

Light-years 215.57 ly

V-band magnitude

9.62 mag

Voyager-speed travel 3,801,505 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

15.101 mas

Total Proper Motion

34.777 mas/yr

PM Right Ascension

-5.25 mas/yr

PM Declination

-34.38 mas/yr

Galactic Cartesian (pc)

x = 0.247 · y = -0.035 · z = 0.968

Equatorial (J2000)

RA 352.01668° · Dec 75.55261°

Galactic ℓ, b

117.693° · 13.536°

Ecliptic λ, β

55.038° · 64.456°

HTM-20 index

-1390349893