Confirmed Exoplanet Discovered 2011

CD-35 2722 b

A gas giant orbiting the m-type red dwarf CD-35 2722, located approximately 73.0 light-years from Earth.

Key parameters at a glance

  • A radius of 17.37 Earth radii
  • A mass of 9,375.94 Earth masses
  • Surface gravity around 31.06 g
  • Semi-major axis 67.0000 AU
  • Equilibrium temperature 1,800 K (1527 °C)
  • Distance from Earth 73.03 light-years
  • Earth Similarity Index 0.072
  • Travel time at Voyager 1 speed 1,287,796 years

CD-35 2722 b Planet Profile

Physical Specs

Radius
17.37 R⊕
Radius (Jupiter)
1.550 R♃
Mass
9,375.94 M⊕
Mass (Jupiter)
29.500 M♃
Density
9.82 g/cm³
Surface Gravity
31.06 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.072
HZ Position Unknown
Controversial No

Discovery

Year 2011
Method Imaging
Facility Gemini Observatory
Telescope 8.19 m Gemini South Telescope

Size rank in cohort

Rank by radius

#96of 1771

top 5.4%

This planet

17.37R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

TOI-2580 b 17.37 R⊕ WASP-153 b 17.37 R⊕ WASP-31 b 17.36 R⊕
Metric Earth CD-35 2722 b Jupiter
Radius (R⊕)1.0017.3711.21
Mass (M⊕)1.009,375.94317.83
Density (g/cm³)5.519.821.33
Surface Gravity (g)1.0031.062.53
Insolation (S⊕)1.00—0.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 9,375.938 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 201426753

Gaia DR2

Gaia DR2 2885863400349980288

Gaia DR3

Gaia DR3 2885863400349980288

System

CD-35 2722

Percentile among Gas Giant cohort

Radius 17.374 R⊕ · percentile 95 / cohort 1771
Mass 9,375.938 M⊕ · percentile 100 / cohort 1747
Distance 22.39 pc · percentile 5 / cohort 1759
ESI 0.072 · percentile 14 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
— days
Semi-major axis
67.0000 AU
Eccentricity
—
Inclination
— °

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

1,800K

(1527 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.072

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Discovery Paper

Primary reference

Wahhaj et al. 2011

Instrument

Gemini Planet Imager

Publication

2011-03

Observation locale

Ground

Host System: CD-35 2722

Spectral Class

M-type red dwarf

Effective Temperature

3,689 K — cooler than the Sun (5,778 K)

Estimated Age

0.10 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.559 R☉

Stellar Mass

0.400 M☉

Metallicity [Fe/H]

-0.16

Extended Stellar Properties

Surface gravity (log g)

4.240 dex

Stellar density

4.473 g/cm³

Systemic radial velocity

32.28 km/s

Rotational v·sin i

11.95 km/s

Metallicity ratio

[m/H]

Distance
22.39 parsec
Light-years 73.03 ly
V-band magnitude
11.04 mag
Voyager-speed travel 1,287,796 yr

Multi-band Host Photometry — 11 bands

6.612.612.61B11.04V10.22Gaia9.20TESS7.92J7.28H7.05K6.93W16.86W26.78W36.64W4

Astrometric Data

Parallax

44.635 mas

Total Proper Motion

56.396 mas/yr

PM Right Ascension

-3.72 mas/yr

PM Declination

-56.27 mas/yr

Galactic Cartesian (pc)

x = -0.033 · y = 0.810 · z = -0.585

Equatorial (J2000)

RA 92.33001° · Dec -35.82554°

Galactic ℓ, b

242.560° · -23.501°

Ecliptic λ, β

93.691° · -59.235°

HTM-20 index

-217134107

Similar Worlds

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2MASS J12073346-3932539 b

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Radius 15.69 R⊕ · 209.7 ly

NGTS-1 b

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GJ 3512 b

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Radius 14.30 R⊕ · 30.9 ly

GJ 3512 c

Gas Giant · M-type red dwarf

Radius 14.30 R⊕ · 30.9 ly

OGLE-2012-BLG-0724L b

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Radius 14.30 R⊕ · 21,852.5 ly

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