Key parameters at a glance
- A radius of 14.46 Earth radii
- A mass of 177.98 Earth masses
- Surface gravity around 0.85 g
- An orbital period of 1.856 days
- Semi-major axis 0.0310 AU
- Equilibrium temperature 1,790 K (1517 °C)
- Distance from Earth 3,565.15 light-years
- Earth Similarity Index 0.060
- Travel time at Voyager 1 speed 62,871,346 years
Kepler-41 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#280of 1771
top 15.8%
This planet
14.46R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | Kepler-41 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 14.46 | 11.21 |
| Mass (M⊕) | 1.00 | 177.98 | 317.83 |
| Density (g/cm³) | 5.51 | 0.33 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.85 | 2.53 |
| Insolation (S⊕) | 1.00 | 2,036.75 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 177.980 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 271042217
Gaia DR2
Gaia DR2 2080061942886335744
Gaia DR3
Gaia DR3 2080061942886335744
System
Kepler-41
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.86 Earth days (0.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0310 AU.
Transit Fingerprint
Depth
1.104 %
Duration
2.434 h
Impact parameter b
0.672
Rp / R★
0.102650
Transit midpoint (BJD)
2,455,187.2805
Photometric dip
Transit produces a flux drop of 11,037 ppm lasting ≈ 2.43 h.
Extended Orbital Architecture
Planet / star radius ratio
0.102650
Semi-major axis / stellar radius
5.159
Impact parameter (b)
0.672
RV semi-amplitude (K)
84.000 m/s
Occultation depth
0.004 ppm
Transit mid-time (BJD)
2,455,187.2805
Angular separation (arcsec)
0.02840
Eq. Temperature
1,790K
(1517 °C)
Insolation (S⊕)
2,036.75
Earth = 1.00
Earth Similarity (ESI)
0.060
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.
Orbital-brightness modulation
Host star brightness varies with the planet's orbit.
Discovery Paper
Primary reference
Santerne et al. 2011Instrument
Kepler CCD Array
Publication
2011-12
Observation locale
Space
Discovery cohort
Planets confirmed in 2011 at Kepler (12 shown).
Host System: Kepler-41
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,750 K — cooler than the Sun (5,778 K)
Estimated Age
4.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.290 R☉
Stellar Mass
1.150 M☉
Metallicity [Fe/H]
0.38
Extended Stellar Properties
Surface gravity (log g)
4.278 dex
Stellar density
0.754 g/cm³
Systemic radial velocity
-27.07 km/s
Rotational v·sin i
6.00 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.886 mas
Total Proper Motion
4.269 mas/yr
PM Right Ascension
3.04 mas/yr
PM Declination
3.00 mas/yr
Galactic Cartesian (pc)
x = 0.288 · y = -0.632 · z = 0.719
Equatorial (J2000)
RA 294.51325° · Dec 45.98165°
Galactic ℓ, b
78.902° · 11.711°
Ecliptic λ, β
314.433° · 65.682°
HTM-20 index
-1237307674
Similar Worlds
TOI-2583 A b
Gas Giant · G-type yellow (Sun-like)
Radius 14.46 R⊕ · 1,846.7 ly
TOI-3980 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.46 R⊕ · 1,587.5 ly
HD 203030 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.46 R⊕ · 128.0 ly
TOI-157 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.41 R⊕ · 1,160.1 ly
Kepler-485 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.41 R⊕ · 3,721.3 ly
Qatar-8 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.40 R⊕ · 918.1 ly