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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2颗已知行星的恒星

Pr0211

在 Ouranos 中打开

Pr0211拥有2颗已确认的行星。

实测

距离
约596光年
已确认的行星
2

与太阳的距离

简介 596光年. 穿越它需要:

  • 光596年
  • 旅行者1号的速度10.6百万年
  • 以100 km/h的速度行驶6.43亿年

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

  • 2012年通过视向速度法发现首颗行星(NASA系外行星档案库)。

它的行星

  • Pr0211 b — 13 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts 2 days; about 1,000 °C, hot enough to melt rock; found in 2012 by radial velocity.
  • Pr0211 c — 13 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 13 Earth years; about −170 °C, below freezing; found in 2016 by radial velocity.

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。