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-230
开普勒-230有2颗已确认的行星。
实测
- 距离
- 约2,416光年
- 已确认的行星
- 2
与太阳的距离
简介 2,420光年. 穿越它需要:
- 光2,420年
- 旅行者1号的速度42.9百万年
- 以100 km/h的速度行驶26.1亿年
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
- 2014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-230 b — 4.3 times Earth's width, Neptune-sized; its year lasts 33 days; about 230 °C, hotter than boiling water; found in 2014 by transit.
- Kepler-230 c — 2 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 92 days; about 86 °C, between freezing and boiling; found in 2014 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.