Key parameters at a glance
- A radius of 13.30 Earth radii
- A mass of 794.58 Earth masses
- Surface gravity around 4.49 g
- Semi-major axis 23.0000 AU
- Earth Similarity Index 0.382
Circumbinary planet
PSR B1620-26 b orbits a binary-star pair rather than a single host — a minority architecture in the confirmed catalogue.
PSR B1620-26 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#793of 1771
top 44.7%
This planet
13.30R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | PSR B1620-26 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.30 | 11.21 |
| Mass (M⊕) | 1.00 | 794.58 | 317.83 |
| Density (g/cm³) | 5.51 | 1.86 | 1.33 |
| Surface Gravity (g) | 1.00 | 4.49 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 794.575 M⊕ | Direct mass measurement (not derived). |
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
Orbital period for this planet has not yet been measured.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.382
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Sigurdsson et al. 2003Instrument
WFPC2 Camera
Publication
2003-07
Observation locale
Space
Host System: PSR B1620-26
Spectral Class
Unknown
Effective Temperature
—
Estimated Age
—
Stellar Radius
—
Stellar Mass
1.350 M☉
Metallicity [Fe/H]
—
Similar Worlds
KMT-2018-BLG-1976L b
Gas Giant · Unknown
Radius 13.30 R⊕ · 19,047.5 ly
KMT-2016-BLG-1836L b
Gas Giant · Unknown
Radius 13.30 R⊕ · 23,157.1 ly
OGLE-2019-BLG-1470L AB c
Gas Giant · Unknown
Radius 13.30 R⊕ · 19,243.2 ly
KMT-2017-BLG-2509L b
Gas Giant · Unknown
Radius 13.40 R⊕ · 22,961.4 ly
MOA-2016-BLG-227L b
Gas Giant · Unknown
Radius 13.20 R⊕ · 21,200.1 ly
OGLE-2012-BLG-0358L b
Gas Giant · Unknown
Radius 13.40 R⊕ · 5,740.3 ly