Key parameters at a glance
- A radius of 1.90 Earth radii
- A mass of 6.36 Earth masses
- Surface gravity around 1.76 g
- An orbital period of 3.134 days
- Semi-major axis 0.0335 AU
- Equilibrium temperature 698 K (425 °C)
- Distance from Earth 147.20 light-years
- Earth Similarity Index 0.416
- Travel time at Voyager 1 speed 2,595,821 years
- Almost certainly tidally locked to its host star given the close orbit
TOI-1695 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#125of 1176
top 10.5%
This planet
1.90R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | TOI-1695 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.90 | 11.21 |
| Mass (M⊕) | 1.00 | 6.36 | 317.83 |
| Density (g/cm³) | 5.51 | 5.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.76 | 2.53 |
| Insolation (S⊕) | 1.00 | 39.00 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 6.360 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 422756130
Gaia DR2
Gaia DR2 534988616816537728
Gaia DR3
Gaia DR3 534988616816537728
System
TOI-1695
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.13 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0335 AU.
Transit Fingerprint
Depth
0.124 %
Duration
1.311 h
Impact parameter b
0.690
Rp / R★
0.034000
Transit midpoint (BJD)
2,458,791.5206
Photometric dip
Transit produces a flux drop of 1,236 ppm lasting ≈ 1.31 h.
Extended Orbital Architecture
Planet / star radius ratio
0.034000
Semi-major axis / stellar radius
16.300
Impact parameter (b)
0.690
RV semi-amplitude (K)
4.390 m/s
Transit mid-time (BJD)
2,458,791.5206
Long. of periastron (ω)
90.00°
Angular separation (arcsec)
0.74300
Eq. Temperature
698K
(425 °C)
Insolation (S⊕)
39.00
Earth = 1.00
Earth Similarity (ESI)
0.416
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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
Kiefer et al. 2022Instrument
TESS CCD Array
Publication
2022-11
Observation locale
Space
Discovery cohort
Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-1695
Spectral Class
M-type red dwarf
Effective Temperature
3,690 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.515 R☉
Stellar Mass
0.513 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.725 dex
Stellar density
5.300 g/cm³
Systemic radial velocity
-59.46 km/s
Rotational v·sin i
1.30 km/s
Rotation period
47.70 days
Activity index (log R'HK)
-4.740
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
22.129 mas
Total Proper Motion
82.341 mas/yr
PM Right Ascension
71.71 mas/yr
PM Declination
40.47 mas/yr
Galactic Cartesian (pc)
x = 0.282 · y = 0.114 · z = 0.953
Equatorial (J2000)
RA 21.92173° · Dec 72.29661°
Galactic ℓ, b
125.716° · 9.621°
Ecliptic λ, β
59.714° · 55.983°
HTM-20 index
1292713045
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