Von KI (Opus 5.5) aus der englischen Karte übersetzt. Zahlen, Namen und Quellen sind unverändert.

Stern mit 4 bekannten Planeten

HD 164922

In Ouranos öffnen

HD 164922, ein G9-V-Stern, hat 4 bestätigte Planeten.

Gemessen

Entfernung: etwa 71.8 Lichtjahre
Spektraltyp des Sterns: G9 V
Bestätigte Planeten: 4

Entfernung von der Sonne

Über 71.8 Lichtjahre. Zum Durchqueren:

Licht71.8 Jahre
Geschwindigkeit von Voyager 11.28 Millionen Jahre
Fahrt mit 100 km/h775 Millionen Jahre

Voyager 1 mit der Geschwindigkeit, mit der sie sich im Jahr bis 2026-10-25 nach außen bewegte (JPL Horizons). Fahrt: ohne Pause, ohne je nachzutanken.

Wie er entdeckt wurde

Erster Planet, entdeckt 2005 durch Radialgeschwindigkeit (NASA Exoplanet Archive).

Seine Planeten

HD 164922 b — 13 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 3 Earth years; about −110 °C, below freezing; found in 2005 by radial velocity.
HD 164922 e — 3.2 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 42 days; about 270 °C, hotter than boiling water; found in 2021 by radial velocity.
HD 164922 d — 1.8 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 12 days; about 520 °C, hotter than boiling water; found in 2020 by radial velocity.
HD 164922 c — 3.7 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 76 days; about 130 °C, hotter than boiling water; found in 2016 by radial velocity.

The NASA Exoplanet Archive's page

Woher das stammt

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.

Jeder Katalog, den Ouranos verwendet, wird auf der Seite mit den Quellenangaben genannt.

Seine Planeten

HD 164922 b — 13 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 3 Earth years; about −110 °C, below freezing; found in 2005 by radial velocity.

HD 164922 e — 3.2 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 42 days; about 270 °C, hotter than boiling water; found in 2021 by radial velocity.

HD 164922 d — 1.8 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 12 days; about 520 °C, hotter than boiling water; found in 2020 by radial velocity.

HD 164922 c — 3.7 times Earth's width (estimated from its mass, not measured), a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 76 days; about 130 °C, hotter than boiling water; found in 2016 by radial velocity.

Woher das stammt

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.