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Ouranos › Planets round other stars
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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3颗已知行星的恒星

Kepler-381

在 Ouranos 中打开

开普勒-381有3颗已确认的行星。

实测

距离
约872光年
已确认的行星
3

与太阳的距离

简介 872光年. 穿越它需要:

  • 光872年
  • 旅行者1号的速度15.5百万年
  • 以100 km/h的速度行驶9.41亿年

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-381 d — 1.1 times Earth's width, about Earth-sized — probably rocky; its year lasts 8 days; about 1,100 °C, hot enough to melt rock; found in 2021 by transit.
  • Kepler-381 b — 1 times Earth's width, about Earth-sized — probably rocky; its year lasts 6 days; about 1,300 °C, hot enough to melt rock; found in 2014 by transit.
  • Kepler-381 c — 1.1 times Earth's width, about Earth-sized — probably rocky; its year lasts 13 days; about 910 °C, hotter than boiling water; 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.

Ouranos所使用的每个星表均在致谢页中注明。