Key parameters at a glance
- A radius of 7.94 Earth radii
- A mass of 48.30 Earth masses
- Surface gravity around 0.77 g
- An orbital period of 14.335 days
- Semi-major axis 0.1228 AU
- Equilibrium temperature 917 K (644 °C)
- Distance from Earth 415.13 light-years
- Earth Similarity Index 0.165
- Travel time at Voyager 1 speed 7,320,841 years
1 sibling around HIP 67522
HIP 67522 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 |
|---|---|---|---|---|---|---|
| HIP 67522 b | Neptune-like | 9.99 | 71.40 | 6.959 | 1,175 | 2020 |
| HIP 67522 c this | Neptune-like | 7.94 | 48.30 | 14.335 | 917 | 2024 |
HIP 67522 c Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#159of 574
top 27.5%
This planet
7.94R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | HIP 67522 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 7.94 | 11.21 |
| Mass (M⊕) | 1.00 | 48.30 | 317.83 |
| Density (g/cm³) | 5.51 | 0.53 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.77 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Star Catalogue Identifiers
HD
HD 120411
HIP
HIP 67522
TIC
TIC 166527623
Gaia DR2
Gaia DR2 6113920619134019456
Gaia DR3
Gaia DR3 6113920619134019456
System
HIP 67522
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 14.33 Earth days (3.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1228 AU.
Transit Fingerprint
Duration
5.660 h
Impact parameter b
0.260
Rp / R★
0.052800
Transit midpoint (BJD)
2,458,602.5026
Extended Orbital Architecture
Planet / star radius ratio
0.052800
Semi-major axis / stellar radius
19.140
Impact parameter (b)
0.260
Transit mid-time (BJD)
2,458,602.5026
Long. of periastron (ω)
186.60°
Angular separation (arcsec)
0.96500
Eq. Temperature
917K
(644 °C)
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.165
0 = alien, 1 = Earth-identical
Insufficient insolation data — the surface is too hot to retain surface water.
Discovery Paper
Primary reference
Barber et al. 2024Instrument
TESS CCD Array
Publication
2024-09
Observation locale
Space
Discovery cohort
Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: HIP 67522
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,675 K — cooler than the Sun (5,778 K)
Estimated Age
0.02 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.380 R☉
Stellar Mass
1.220 M☉
Metallicity [Fe/H]
0.00
Extended Stellar Properties
Surface gravity (log g)
4.000 dex
Stellar density
0.629 g/cm³
Systemic radial velocity
7.41 km/s
Rotational v·sin i
54.20 km/s
Rotation period
1.42 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 12 bands
Astrometric Data
Parallax
7.829 mas
Total Proper Motion
36.534 mas/yr
PM Right Ascension
-28.84 mas/yr
PM Declination
-22.42 mas/yr
Galactic Cartesian (pc)
x = -0.671 · y = -0.350 · z = -0.654
Equatorial (J2000)
RA 207.52600° · Dec -40.83590°
Galactic ℓ, b
314.748° · 20.686°
Ecliptic λ, β
220.883° · -27.442°
HTM-20 index
-193571194
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OGLE-2012-BLG-0026L b
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