HIP 14810 d
HIP 14810 d is a cold gas giant orbiting the G5 star HIP 14810 in the constellation Aries. It lies about 165 light-years from Earth and was discovered in 2009 using the radial velocity method.
Is HIP 14810 d in the Habitable Zone?
HIP 14810 d orbits beyond the outer edge of the habitable zone of HIP 14810. At that distance, any surface water would almost certainly be frozen.
Habitable zone of HIP 14810: 0.752–1.784 AU (conservative: 0.953–1.691 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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Orbit and Year Length
A year on HIP 14810 d — one full orbit around HIP 14810 — lasts 981.8 Earth days, longer than an Earth year. It orbits at an average distance of 1.940 AU. Its orbit is mildly elliptical (eccentricity 0.19).
How Was HIP 14810 d Discovered?
HIP 14810 d was discovered in 2009 using the radial velocity method, with observations from W. M. Keck Observatory.
The radial velocity method measures the subtle wobble of a star caused by the gravitational pull of an orbiting planet, visible as periodic shifts in the star's light spectrum. The size of the wobble reveals the planet's minimum mass.
How Far Away Is HIP 14810 d?
HIP 14810 d is 164.6 light-years (50.5 parsecs) from Earth. Light arriving here tonight left the planet around the year 1862. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 2,896,960 years to make the journey.
Earth Similarity Index
The Earth Similarity Index (ESI) scores how physically similar a planet is to Earth, from 0 to 1, based on radius, density, escape velocity and surface temperature. HIP 14810 d scores 0.26, ranking #2,833 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: HIP 14810
HIP 14810
- Spectral type
- G5
- Surface temperature
- 5,544 K (Sun: 5,772 K)
- Mass
- 1.01 M☉
- Radius
- 1.07 R☉
- Luminosity
- 0.9772 L☉
- Age
- 5.8 billion years (Sun: 4.6)
The HIP 14810 Planetary System
HIP 14810 d is one of 3 known planets in the HIP 14810 system. Its siblings:
- HIP 14810 b (Hot Jupiter)
- HIP 14810 c (Cold Gas Giant)
HIP 14810 d — Complete Data
| Mass (best estimate) | 187.52 Earth masses |
|---|---|
| Orbital period | 981.80 days |
| Orbital distance | 1.940 AU |
| Eccentricity | 0.185 |
| Earth Similarity Index | 0.26 |
| Distance from Earth | 164.6 light-years (50.5 parsecs) |
| Constellation | Aries |
| Discovery method | Radial Velocity |
| Discovery facility | W. M. Keck Observatory |
| Discovery year | 2009 |
Data: NASA Exoplanet Archive, last updated 2018-09-25. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HIP 14810 d
Is HIP 14810 d habitable?
No — HIP 14810 d orbits outside the habitable zone of HIP 14810 and is likely too cold for liquid water on its surface.
How far away is HIP 14810 d?
HIP 14810 d is about 165 light-years from Earth in the constellation Aries. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 2,896,960 years to get there.
How long is a year on HIP 14810 d?
One orbit around HIP 14810 takes 981.8 Earth days.
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