Key parameters at a glance

A radius of 3.10 Earth radii
A mass of 9.78 Earth masses
Surface gravity around 1.02 g
An orbital period of 7.972 days
Semi-major axis 0.0800 AU
Equilibrium temperature 859 K (586 °C)
Distance from Earth 268.01 light-years
Earth Similarity Index 0.270
Travel time at Voyager 1 speed 4,726,412 years

1 sibling around TOI-1062

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

TOI-1062 c Planet Profile

Physical Specs

Radius

3.10 R⊕

Radius (Jupiter)

0.276 R♃

Mass

9.78 M⊕

Mass (Jupiter)

0.031 M♃

Density

1.80 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.270

HZ Position Inner

Controversial No

Discovery

Year 2021

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Size rank in cohort

Rank by radius

#433of 1978

top 21.8%

This planet

3.10R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-282 e 3.10 R⊕ Kepler-209 c 3.10 R⊕ Kepler-104 b 3.10 R⊕

Metric	Earth	TOI-1062 c	Jupiter
Radius (R⊕)	1.00	3.10	11.21
Mass (M⊕)	1.00	9.78	317.83
Density (g/cm³)	5.51	1.80	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	95.00	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	9.780 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 3.100 R⊕ · percentile 78 / cohort 1978

Mass 9.780 M⊕ · percentile 71 / cohort 1978

Orbital period 7.97 d · percentile 26 / cohort 1946

Distance 82.17 pc · percentile 18 / cohort 1975

ESI 0.270 · percentile 21 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

7.972 days

Semi-major axis

0.0800 AU

Eccentricity

0.140

Inclination

— °

Year Length

A year here lasts approximately 7.97 Earth days (2.2% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0800 AU.

Eq. Temperature

859K

(586 °C)

Insolation (S⊕)

95.00

Earth = 1.00

Earth Similarity (ESI)

0.270

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

Otegi et al. 2021

Instrument

HARPS Spectrograph

Publication

2021-09

Observation locale

Ground

Discovery cohort

Planets confirmed in 2021 at La Silla Observatory (12 shown).

HD 96700 c · Super-Earth HD 93385 b · Super-Earth HD 39194 b · Super-Earth HD 39194 d · Sub-Neptune HD 154088 b · Sub-Neptune HD 189567 c · Sub-Neptune HD 93385 c · Sub-Neptune HD 39194 c · Sub-Neptune HD 189567 b · Sub-Neptune HD 93385 d · Sub-Neptune HD 96700 b · Sub-Neptune HD 13808 c · 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