Tradotto dall'IA (Opus 5.5) dalla scheda inglese. Numeri, nomi e fonti sono invariati.

Stella con 2 pianeti noti

HD 134987

HD 134987, una stella G5 V, ha 2 pianeti confermati.

Misurato

Informazioni 85.4 anni luce. Per attraversarlo:

Voyager 1 alla velocità con cui si è allontanata nell'anno fino al 2026-10-25 (JPL Horizons). In auto: senza sosta, senza mai fare rifornimento.

Primo pianeta scoperto nel 1999 con la velocità radiale (NASA Exoplanet Archive).

HD 134987 c — 14 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 14 Earth years; about −150 °C, below freezing; found in 2009 by radial velocity.
HD 134987 b — 14 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts 260 days; about 66 °C, between freezing and boiling; found in 1999 by radial velocity.

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.

Tradotto dall'IA (Opus 5.5) dalla scheda inglese. Numeri, nomi e fonti sono invariati.

Stella con 2 pianeti noti

HD 134987, una stella G5 V, ha 2 pianeti confermati.

Informazioni 85.4 anni luce. Per attraversarlo:

Voyager 1 alla velocità con cui si è allontanata nell'anno fino al 2026-10-25 (JPL Horizons). In auto: senza sosta, senza mai fare rifornimento.

Primo pianeta scoperto nel 1999 con la velocità radiale (NASA Exoplanet Archive).

HD 134987 c — 14 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts about 14 Earth years; about −150 °C, below freezing; found in 2009 by radial velocity.
HD 134987 b — 14 times Earth's width (estimated from its mass, not measured), a giant, Jupiter-sized or more; its year lasts 260 days; about 66 °C, between freezing and boiling; found in 1999 by radial velocity.

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.