Pollux (beta Geminorum)

Artist impression by NASA/ESA and G. Bacon (STScI)

Pollux (beta Geminorum)

Star details
  • Constellation: the Twins
  • Vmag: 1.2
  • Visibility: Visible to the naked eye
  • Number of Planets: 1

Planet details

beta Geminorum b

  • Mass (Jupiters): 2.9
  • Mass (Earths): 921.7
  • Period (days): 589.64
  • Semi Major Axis (AU): 1.69

Proposed names

Star name / planet name Proposed names
beta Geminorum b Mnesileüs
In Greek Mythology Pollux (Polydeuces in the original Greek) had a son named Mnesileüs. We believe it is pronounced Nes-sil-e-yous. Please note the original myth also has an additional spelling, but we think this version is marginally easier to pronounce. This generational type of naming has a long tradition in our own Solar System i.e. Uranus begat Saturn who begat Jupiter who then fathered Mars and Mercury.

This information comes from "The Meridian Handbook of Classical Mythology" 1970
Star name / planet name Proposed names
beta Geminorum b Toki
"Toki" is a Japanese crested ibis in Japanese

"Toki" is a Japanese ibis. A wild ibis was extinct in Japan, but it was possible to succeed in artificial propagation while also getting international cooperation. And that's also continued now. "The life" is also a theme for a myth of Gemini with this planet. So we decided to imagine continuation of the life and continuity symbolically and propose the name as "Toki".

Star name / planet name Proposed names
beta Geminorum b Polluxson
This name was proposed by a 11-year-old boy in our club,
and we decided to make his proposed name as our group suggestion.
This name was made of Pollux + son.
He thought beta Geminorum b and Pollux lookeed like a family and
beta Geminorum b was son of Pollux.
Our club has many children taking part in our activity,
and their parents; also their family, are also inseparably related with our club.
So we named it in the hope that this system becomes like a family.
We hope these planets are loved by families in all over the world.
Star name / planet name Proposed names
beta Geminorum b kashani
Ghiyas-ud-din Jamshid Kashani
Kashani was one of the best mathematicians and Astronomers in the history of the Persian Empire. We suggested this name because of Kashani invented a mechanical planetary computer which he called the Plate of Zones, which could graphically solve a number of planetary problems, including the prediction of the true positions in longitude of the Sun and Moon, and the planets in terms of elliptical orbits; the latitudes of the Sun, Moon, and planets; and the ecliptic of the Sun.
Star name / planet name Proposed names
beta Geminorum b kinsan
"Kinsan, Ginsan" were Japanese famous twin sisters. Kinsan is the name of the older sister.
There were famous twin sisters called "Kinsan, Ginsan" in Japan.
They were over 100 years old, but were very well.
They were totally good sisters like the twins of the Greek myth.
Pollux is a star shining in gold.
We hope that a person to see this star lives long like Kinsan, Ginsan.
This is reason why we named.

We are praying that the world will have peace.
Star name / planet name Proposed names
beta Geminorum b eternal
From the wish I want a brother of a good friend twin to nestle close to which forever.
Star name / planet name Proposed names
beta Geminorum b Pal
Pal. Be good friends like twins.
Star name / planet name Proposed names
beta Geminorum b LEDA
Leda was the mothe rof Castor & Pollux!
In Greek mythology, Leda (/ˈliːdə, ˈleɪ-/; Greek: Λήδα [lɛ͜ɛ́da͜a]) was daughter of the Aetolian king Thestius, and wife of king Tyndareus (Τυνδάρεως) of Sparta. Her myth gave rise to the popular motif in Renaissance and later art of Leda and the Swan. She was the mother of Helen (Ἑλένη) of Troy, Clytemnestra (Κλυταιμνήστρα), and Castor and Pollux (Κάστωρ καὶ Πολυδεύκης, also spelled Kastor and Polydeuces).
Leda was admired by Zeus, who seduced her in the guise of a swan. As a swan, Zeus fell into her arms for protection from a pursuing eagle. Their consummation, on the same night as Leda lay with her husband Tyndareus, resulted in two eggs from which hatched Helen (later known as the beautiful "Helen of Troy"), Clytemnestra, and Castor and Pollux (also known as the Dioscuri (Διόσκουροι)). Which children are the progeny of Tyndareus the mortal king, and which are of Zeus and thus half-immortal, is not consistent among accounts, nor is which child hatched from which egg. The split is almost always half mortal, half divine; although the pairings do not always reflect the children's heritage pairings. Castor and Polydeuces are sometimes both mortal, sometimes both divine. One consistent point is that if only one of them is immortal, it is Polydeuces. It is also always stated that Helen is the daughter of Zeus.
Leda also had other daughters by Tyndareus: Timandra (Τιμάνδρα), Phoebe (Φοίβη), and Philonoe (Φιλονόη).
In Homer's Iliad, Helen looks down from the walls of Troy and wonders why she does not see her brothers among the Achaeans. The narrator remarks that they are both already dead and buried back in their homeland of Lacedaemon, thus suggesting that at least in the Homeric tradition, both were mortal.
Another account of the myth states that Nemesis (Νέμεσις) was the mother of Helen, and was also impregnated by Zeus in the guise of a swan. A shepherd found the egg and gave it to Leda, who carefully kept it in a chest until the egg hatched. When the egg hatched, Leda adopted Helen as her daughter. Zeus also commemorated the birth of Helen by creating the constellation Cygnus (Κύκνος), the Swan, in the sky.
Leda and the swan and Leda and the egg were popular subjects in ancient art. In the post-classical arts, it became a potent source of inspiration.
Star name / planet name Proposed names
beta Geminorum b HOPE
star is larger than the Sun.An extrasolar planet was suspected orbiting Pollux since 1993. The existence of the planet, Pollux b, was confirmed and announced on June 16, 2006. Pollux b is calculated to have a mass at least 2.3 times that of Jupiter. It is orbiting Pollux with a period of about 590 days.
Star name / planet name Proposed names
beta Geminorum b Leda
In Greek mythology, the father of the twins Pollux and Castor is said to be either Zeus or Tyndareus (the king of Sparta) depending on which version you go by. But all versions have Leda as their mother, so it is fitting that the celestial version of Pollux is accompanied by his beautiful mother Leda in an everlasting celestial orbit.
Star name / planet name Proposed names
beta Geminorum b samba
samba is a sanskrit language sanskrit language is very old and it is respectable for all

Samba साम्ब is from Sanskrit language

Star name / planet name Proposed names
beta Geminorum b Koodjal
Pollux is the brightest star in the constellation of Gemini which is Latin for “twins”. Pollux and Gemini’s second brightest star, Castor, are associated with twin brothers in Greek and Roman mythology.

Noongar Aboriginals from the south west corner of Western Australia were some of the first astronomers on Earth. Their dreamtime stories are rich with astronomy. The stars told them when different foods were available and when different seasons began.

“Koodjal” means “two” in the official language of the Aboriginal people of the south-west of Western Australia. The word is documented in the first Noongar Aboriginal Dictionary compiled by Noongar Language Worker, Rose Whitehurst. The dictionary is available at the South West Aboriginal Land and Sea Council’s website, www.noongarculture.org.au.
Star name / planet name Proposed names
beta Geminorum b anipsia
"Niece" in Greek.
Star name / planet name Proposed names
beta Geminorum b Kaguya
We would like to propose the name for beta Geminorum as ‘Kaguya’, who was the heroine of the traditional Japanese folk story Taketori Monogatari (‘The Tale of the Bamboo Cutter’).This planet was newly discovered around a first magnitude fixed star in 2006.The story of Taketori Monogatari begins with the scene of an old man (Okina) finding a small princess in some shining bamboo. Consequently, he named the heroine Kaguya-hime or the ‘Shining Princess’. For this reason, we would like to recommend the name Kaguya as being a suitable name for an exoplanet around a bright star after the ‘Shining Princess’, Kaguya.
Star name / planet name Proposed names
beta Geminorum b Amaterasu
God in the Japanese sun
Star name / planet name Proposed names
beta Geminorum b Ourea
Dear Scientists of the Royal Astronomical Society Victoria Chapter and International Astronomical Union,

I would like to submit a proposal to be considered for submission to the IAU for the NameExoWorlds opportunity. I would like to propose the name “Ourea” for the ExoWorld, beta Geminorum b. of the host star beta Geminorum. In Greek mythology the “Ourea” were the primeval gods of the mountains and were the progeny of Gaia (Greek primordial deities), the first born elemental gods and goddesses. I feel this name is inspiring and that these ExoWorlds are in a way “first born” and “elemental”. I also think the name would work well with any planet type: gas, ice or rock. Thank you very much for this opportunity to have my suggestion on the list for public voting and to possibly name an ExoWorld.

Alexander Theodore Bachynsky
10 years old

This submission is entered on behalf of the RASC-Victoria Centre by one of our youth members. He is so excited to be able to do this, and I am excited for him. He shows great enthusiasm. Thanks!

Star name / planet name Proposed names
beta Geminorum b Karu
It means it far away in Quechua language.
Star name / planet name Proposed names
beta Geminorum b Lucius
Lucius Caecilius Q. F. Q. N. Metellus Diadematus was the council that build the Castor & Pollux Temple.

To celebrate the construction of the temple in Italy