Key parameters at a glance

A radius of 2.27 Earth radii
A mass of 10.15 Earth masses
Surface gravity around 1.98 g
An orbital period of 4.113 days
Semi-major axis 0.0520 AU
Equilibrium temperature 1,077 K (804 °C)
Distance from Earth 268.01 light-years
Earth Similarity Index 0.254
Travel time at Voyager 1 speed 4,726,412 years

1 sibling around TOI-1062

TOI-1062 b 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
TOI-1062 b this	Sub-Neptune	2.27	10.15	4.113	1,077	2021
TOI-1062 c	Sub-Neptune	3.10	9.78	7.972	859	2021

TOI-1062 b Planet Profile

Physical Specs

Radius

2.27 R⊕

Radius (Jupiter)

0.202 R♃

Mass

10.15 M⊕

Mass (Jupiter)

0.032 M♃

Density

4.85 g/cm³

Surface Gravity

1.98 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.254

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Transit

Facility Transiting Exoplanet Survey Satellite (TESS)

Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#1569of 1978

top 79.3%

This planet

2.27R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1863 b 2.26 R⊕ K2-401 b 2.26 R⊕ TOI-2018 b 2.27 R⊕

Metric	Earth	TOI-1062 b	Jupiter
Radius (R⊕)	1.00	2.27	11.21
Mass (M⊕)	1.00	10.15	317.83
Density (g/cm³)	5.51	4.85	1.33
Surface Gravity (g)	1.00	1.98	2.53
Insolation (S⊕)	1.00	232.00	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	10.150 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	10.150 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 299799658

Gaia DR2

Gaia DR2 4632865331094140928

Gaia DR3

Gaia DR3 4632865331094140928

System

TOI-1062

Percentile among Sub-Neptune cohort

Radius 2.265 R⊕ · percentile 21 / cohort 1978

Mass 10.150 M⊕ · percentile 74 / cohort 1978

Orbital period 4.11 d · percentile 9 / cohort 1946

Distance 82.17 pc · percentile 18 / cohort 1975

ESI 0.254 · percentile 17 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

4.113 days

Semi-major axis

0.0520 AU

Eccentricity

0.177

Inclination

85.91 °

Year Length

A year here lasts approximately 4.11 Earth days (1.1% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0520 AU.

Transit Fingerprint

Depth

0.049 %

Duration

1.080 h

Impact parameter b

0.861

Rp / R★

0.023400

Transit midpoint (BJD)

2,459,082.5900

Photometric dip

Transit produces a flux drop of 487 ppm lasting ≈ 1.08 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023400

Impact parameter (b)

0.861

RV semi-amplitude (K)

4.270 m/s

Transit mid-time (BJD)

2,459,082.5900

Long. of periastron (ω)

117.00°

Angular separation (arcsec)

0.63300

Eq. Temperature

1,077K

(804 °C)

Insolation (S⊕)

232.00

Earth = 1.00

Earth Similarity (ESI)

0.254

0 = alien, 1 = Earth-identical

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

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Otegi et al. 2021

Instrument

TESS CCD Array

Publication

2021-09

Observation locale

Space

Discovery cohort

Planets confirmed in 2021 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-2257 b · Sub-Neptune TOI-2285 b · Super-Earth TOI-1231 b · Sub-Neptune AU Mic c · Sub-Neptune LHS 1678 c · Rocky Terrestrial LHS 1478 b · Rocky Terrestrial TOI-2406 b · Sub-Neptune HD 207897 b · Sub-Neptune TOI-269 b · Sub-Neptune TIC 172900988 b · Gas Giant TOI-178 g · Sub-Neptune TOI-2076 d · Sub-Neptune

Host System: TOI-1062

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,328 K — cooler than the Sun (5,778 K)

Estimated Age

2.50 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.840 R☉

Stellar Mass

0.940 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

2.220 g/cm³

Rotational v·sin i

2.13 km/s

Rotation period

21.80 days

Metallicity ratio

[Fe/H]

Distance

82.17 parsec

Light-years 268.01 ly

V-band magnitude

10.25 mag

Voyager-speed travel 4,726,412 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

12.141 mas

Total Proper Motion

112.140 mas/yr

PM Right Ascension

107.85 mas/yr

PM Declination

30.73 mas/yr

Galactic Cartesian (pc)

x = 0.163 · y = 0.128 · z = -0.978

Equatorial (J2000)

RA 38.12097° · Dec -78.02368°

Galactic ℓ, b

296.496° · -37.812°

Ecliptic λ, β

301.005° · -71.526°

HTM-20 index

-1520660658