由 AI(Opus 5.5)根据英文卡片翻译。数字、名称和来源均未改动。
有2颗已知行星的恒星
Kepler-730
开普勒-730有2颗已确认的行星。
实测
- 距离
- 约6,311光年
- 已确认的行星
- 2
与太阳的距离
简介 6,310光年. 穿越它需要:
- 光6,310年
- 旅行者1号的速度112百万年
- 以100 km/h的速度行驶68.1亿年
旅行者1号以截至2026-10-25的一年中向外运动的速度(JPL Horizons)。驾车:不停歇,永不加油。
发现方式
- 2016年通过凌星法发现首颗行星(NASA系外行星档案库)。
它的行星
- Kepler-730 c — 1.6 times Earth's width, about Earth-sized — probably rocky; its year lasts 3 days; about 1,300 °C, hot enough to melt rock; found in 2018 by transit.
- Kepler-730 b — 12 times Earth's width, a giant, Jupiter-sized or more; its year lasts 6 days; about 950 °C, hotter than boiling water; found in 2016 by transit.
The NASA Exoplanet Archive's page
资料来源
- NASA Exoplanet Archive, Planetary Systems Composite Parameters (fetched 2026-11-02). Composite values: where a planet's size or mass was not measured, the archive estimates it from the other.
- This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.