Key parameters at a glance
- A radius of 13.30 Earth radii
- A mass of 730.98 Earth masses
- Surface gravity around 4.13 g
- An orbital period of 3,160.000 days
- Semi-major axis 3.3000 AU
- Distance from Earth 1,774.37 light-years
- Earth Similarity Index 0.377
- Travel time at Voyager 1 speed 31,290,959 years
1 sibling around NY Vir
NY Vir b 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 |
|---|---|---|---|---|---|---|
| NY Vir b this | Gas Giant | 13.30 | 730.98 | 3,160.000 | — | 2011 |
| NY Vir c | Gas Giant | 12.80 | 1,760.78 | 8,799.000 | — | 2019 |
Circumbinary planet
NY Vir b orbits a binary-star pair rather than a single host — a minority architecture in the confirmed catalogue.
NY Vir 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 | NY Vir b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.30 | 11.21 |
| Mass (M⊕) | 1.00 | 730.98 | 317.83 |
| Density (g/cm³) | 5.51 | 1.71 | 1.33 |
| Surface Gravity (g) | 1.00 | 4.13 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 730.978 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 845.428 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 175402069
Gaia DR2
Gaia DR2 3637481302758519040
Gaia DR3
Gaia DR3 3637481302758519040
System
NY Vir
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 8.65 Earth years on a mildly elliptical path at a mean orbital distance of 3.3000 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.377
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Qian et al. 2012Instrument
Multiple Instruments
Publication
2012-02
Observation locale
Ground
Discovery cohort
Planets confirmed in 2011 at Multiple Observatories (2 shown).
Host System: NY Vir
Spectral Class
O-type blue giant
Effective Temperature
32,780 K — hotter than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.151 R☉
Stellar Mass
0.459 M☉
Metallicity [Fe/H]
—
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.812 mas
Total Proper Motion
13.391 mas/yr
PM Right Ascension
-6.11 mas/yr
PM Declination
-11.91 mas/yr
Galactic Cartesian (pc)
x = -0.908 · y = -0.418 · z = -0.035
Equatorial (J2000)
RA 204.70058° · Dec -2.03039°
Galactic ℓ, b
326.172° · 58.688°
Ecliptic λ, β
203.627° · 7.678°
HTM-20 index
-661795