Hypatia
iot Dra b
IAU name «Hypatia» — Spain, 2015 contest
📋 A written introduction is coming — for now this page shows official values only.
Planet
- Host star
- iot Dra
- Distance from Earth
- 31.3283 pc (≈ 102.2 light-years)
- NASA planet type
- Gas Giant
- Radius (Earth = 1)
- 12.4
- Mass (Earth = 1)
- 3,756.7318
- Orbital period
- 510.8544 days
- Semi-major axis
- 1.453 AU
- Eccentricity
- 0.701
- Equilibrium temperature
- 618.67 K
- Discovery method
- Radial Velocity
- Discovery year
- 2,002
- Discovery facility
- Lick Observatory
- Host spectral type
- K2 III
- Host temperature
- 4,504 K
- Host radius (Sun = 1)
- 11.79
- Host mass (Sun = 1)
- 1.54
- Host brightness
- 3.2967 mag
Source:NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗NASA Science · checked 2026-11-02 ↗NASA Exoplanet Archive (Caltech/IPAC) · checked 2026-11-02 ↗
Related
Host star
In everyday life
- Light from this object takes about 102 years to reach Earth — the light you see tonight left around AD 1924 (official distance ÷ speed of light).
- Its radius is about 12 times Earth's (NASA Exoplanet Archive).
- One orbit takes about 510.9 Earth days (about 1.4 years) — that is this planet's year.
Worked out from this object's official values.