Ixion Mythology

From the Lapith king bound to a fiery wheel to the plutino that neighbours Pluto

Ixion is a trans-Neptunian object found by the Deep Ecliptic Survey on 22 May 2001 at Cerro Tololo Observatory in Chile. Like Pluto it is in 2:3 resonance with Neptune, which makes it a plutino. Because plutinos are named after figures of the underworld, the body took the name of the Thessalian king who was bound to a wheel that turns forever.

It is named after Ixion, king of the Lapiths. In classical astrology Ixion has no rulership, exaltation, sect or joy. This page gives the crime and the punishment of Ixion as Pindar, Aeschylus, Diodorus and Hyginus tell them. The sources diverge on points such as whether the wheel belongs to the sky or to the underworld, and both versions are shown.

16 branches6 cultures3 myths2001 discovered

Key facts

Symbolism map: the wheel, the cloud and ingratitude

The glyph of Ixion stands at the centre. The branches around it show the symbolism in four colours: gods in gold, archetypes in blue, traditions in green and narratives in red. Touch a branch and its explanation opens below the map.

King of the LapithsThessaly

Ixion is king of the Lapith people in Thessaly. His father changes with the source. Diodorus makes him the son of Antion, Hyginus the son of Leonteus, and other late sources the son of Phlegyas or of Ares. His wife Dia is the daughter of Eioneus (Deioneus in some sources). Lapithes in the family tree →

The fiery pitThe first murder of a kinsman

According to Diodorus, Ixion promises bride gifts to his father-in-law Eioneus in order to marry Dia, but he does not hand them over. When Eioneus comes to collect his gifts, Ixion throws him into a pit full of fire. Pindar names this as the first crime among mortals in which kindred blood was shed by treachery.

The first killer to be purifiedThe table of Zeus

According to Diodorus no one is willing to purify Ixion of this crime, until at last Zeus purifies him and takes him among the gods. In the Eumenides of Aeschylus the Erinyes say that Zeus was wrong to accept this first murderer as a suppliant. Athena also asks Orestes whether he has come as a suppliant in the manner of Ixion.

Coveting HeraThe second crime

While Ixion lives on Olympus as the guest of Zeus, he desires Hera. Pindar writes that he could not bear the sweet life among the gods and lost his mind. In the Dialogues of the Gods by Lucian, Hera tells Zeus about it herself. Hera on the Juno page →

NepheleA cloud in the likeness of Hera

Zeus shapes a cloud in the appearance of Hera and leaves it beside Ixion. Pindar calls it 'a sweet lie'. In Hyginus and later writers the cloud is named Nephele. Ixion lies with the cloud, and from this union the ancestor of the Centaurs is born.

CentaurusAncestor of the Centaurs

According to Pindar the cloud gives birth to an excessive and savage being named Centaurus. Centaurus mates with the Magnesian mares on the slopes of Mount Pelion, and from him descend the Centaurs, who are human above the waist and horse below. Diodorus also names an ancestor called Centaurus as the son of Apollo and Stilbe, and the family tree on this site shows that line. Centaurus in the family tree →

The four-spoked wheelThe punishment

Zeus binds Ixion to a four-spoked wheel. In Pindar the wheel is winged, and from it Ixion tells mortals to repay a benefactor with kindness. In Apollodorus Ixion is bound to the wheel and whirled through the air by the winds. In Hyginus it is Hermes who binds him to the wheel.

The wheel in TartarusThe Latin poets

Virgil and Ovid place the wheel in the underworld. In Ovid, Ixion is among the souls who suffer punishment together with Sisyphus and Tantalus, and he is described with the words 'Ixion turns'. Virgil writes that even the wheel of Ixion stood still while Orpheus sang. The move of the wheel from the sky to the underworld is the clearest difference between the sources.

The archetype of ingratitudeEvil for good

Pindar tells the story of Ixion in his second Pythian ode as a lesson, which is that a benefactor must be repaid. Ixion deceived both his father-in-law and the god who had received him as a guest. For the ancient reader the real crime was the breaking of the bond of hospitality and gift.

The father of PeirithousTwo separate lines

Dia, the wife of Ixion, is the mother of the Lapith hero Peirithous. In many sources Peirithous is the son of Ixion. Homer, however, in the fourteenth book of the Iliad, has Zeus speak of his love for 'the wife of Ixion' and of Peirithous being born from her. The two lines lived on side by side.

The battle of the Lapiths and the CentaursThe wedding of Peirithous

At the wedding of Peirithous and Hippodamia the Centaurs, who are not used to wine, get drunk and try to carry off the bride. In the Odyssey Homer treats the drunkenness of the Centaur Eurytion as the start of this fight. Ovid tells the battle at length in the twelfth book of the Metamorphoses. The west pediment of the temple of Zeus at Olympia and the metopes of the Parthenon show this battle. Hippodamia in the family tree →

The contrast with ChironThe wise Centaur

Most Centaurs descend from Ixion and are described as savage. Chiron, however, is the son of Cronus and Philyra, so both his lineage and his character set him apart from the rest. The ancient sources deliberately keep the difference between the wise teacher Centaur and the savage grandchildren of Ixion. Chiron page →

The four-spoked bondPythian 4

In his fourth Pythian ode Pindar tells how Aphrodite bound the iynx, the bird of love magic, to a four-spoked wheel. The image of the 'four-spoked bond' that he uses for the punishment of Ixion is very close to this. Desire and punishment thus meet in the same image of the wheel.

The lost plays of AeschylusIxion and Perrhaebides

Aeschylus is known to have written two tragedies called Ixion and Perrhaebides, but only small fragments of them survive. Perrhaebides is thought to have dealt with the murder of Ixion's father-in-law. Euripides and Sophocles also wrote plays called Ixion, which are lost.

A plutino with an underworld nameThe naming rule

Bodies in 2:3 resonance with Neptune are given the names of underworld figures, as Pluto is. The Minor Planet Center citation writes that Ixion was bound to a wheel that turns forever in the underworld. The name was suggested by E. K. Elliot. Orcus page →

Ixion in modern astrologyNo established interpretation

The 2016 Unicode proposal by David Faulks notes that the discovery of Ixion in 2001 drew the attention of astrologers. Several people have proposed glyphs, and none of them has entered Unicode. There is no commonly accepted tradition of interpretation, and Ixion has no link to the classical system of dignities.

Meaning of the glyph:

Ixion has no glyph in Unicode. The code point U+2BF3 is sometimes taken for Ixion, but its Unicode name is 'Russian Astrological Symbol Vigintile' and it denotes an aspect. The 2021 Unicode proposal by Kirk Miller records two proposed forms for Ixion. One is the design by Sandy Turnbull, which combines the letters I and X with the wheel of Ixion. The other is the form by Denis Moskowitz, which uses the Greek letters Ι (iota) and Ξ (xi) in place of the Latin letters of that design. The glyph on this page was drawn after the Moskowitz form and is not an official standard.

Ι IotaThe vertical line in the middle is iota, the Greek initial of the name Ixion.
Ξ XiThe three horizontal lines are the Greek letter xi, which gives the x sound inside the name.
( ) WheelThe arcs above and below form the rim of the wheel to which Ixion was bound.

The bound and the punished across cultures

The closest counterparts of Ixion are the punished and bound figures of the Greek tradition itself. The examples given from outside Greece rest only on a resemblance in the motif of binding and endless punishment.

Greek

Sisyphus

Because he deceived the gods, he pushes a rock up a hill forever in the underworld. He is counted with Ixion among the punished of Tartarus.

See in family tree
Greek

Tantalus

He is received at the table of the gods and abuses their trust. His crime of breaking the bond of hospitality closely resembles that of Ixion.

See in family tree
Greek

Prometheus

He is bound to a rock in the Caucasus because he defied Zeus. The punishment of binding is shared, but the crime and its meaning differ.

See in family tree
Roman

Ixion

Virgil and Ovid place him among the punished of the underworld. In Latin poetry the wheel now lies in the underworld.

Norse

Loki

He is bound to a rock for his crimes against the gods, and snake venom drips onto him. The motif of endless binding is shared.

See in family tree
Indian and Buddhist

Bhavacakra

The wheel of existence shows the circle in which living beings turn through birth and death. It is a teaching image rather than a punishment, and the resemblance lies only in the turning wheel.

Three myths

The lesson of the winged wheel

In the second Pythian ode, written for Hieron of Syracuse, Pindar tells the story of Ixion as an example. By order of the gods Ixion turns on his winged wheel and tells mortals to repay a benefactor with kind returns. According to Pindar, Ixion lived a sweet life among the sons of Cronus but could not bear that happiness. He committed two crimes. He was the first mortal to shed kindred blood by treachery, and he coveted the wife of Zeus. Zeus sends him a cloud that resembles Hera. Ixion lies with this sweet lie and brings the four-spoked bond upon himself. Centaurus, born of the cloud, mates with mares on the slopes of Mount Pelion, and the Centaurs descend from him.

The bride price and the pit

Diodorus tells that Ixion promised great gifts when he married Dia, the daughter of Eioneus. When Eioneus came to ask for his gifts, Ixion threw him into a pit full of fire and killed him. The crime was thought so grave that no one would agree to purify Ixion. In the end Zeus purified him and took him to his table. Ixion, however, fell in love with Hera and tried to approach her. Zeus made a cloud look like Hera and sent it to him, and from this union the Centaurs were born. Zeus then bound Ixion to a wheel. In the Eumenides of Aeschylus the Erinyes refer to this story when they say that Zeus was wrong to accept Ixion, the first murderer, as a suppliant.

The battle at the wedding

Peirithous, the son of Dia, wife of Ixion, becomes king of the Lapiths and marries Hippodamia. The Centaurs, who count as his kin, are also invited to the wedding. In the Odyssey Homer tells how the Centaur Eurytion drank too much wine and ran riot in the palace of Peirithous, and how the quarrel between Centaurs and men arose from this. In Ovid the Centaurs try to carry off the bride, and a bloody battle breaks out between the Lapiths and the Centaurs. Theseus also fights on the side of the Lapiths. The scene was carved in stone on the temple of Zeus at Olympia and on the Parthenon in Athens. Elsewhere Homer makes Peirithous the son of Zeus, which shows that the line of Ixion was disputed even in the ancient sources.

How it got its name

The Deep Ecliptic Survey, led by Robert Millis, found this body in images taken on 22 May 2001 with the Víctor M. Blanco telescope of the Cerro Tololo Inter-American Observatory in Chile. The body was identified by James Elliot and Lawrence Wasserman. It received the provisional designation 2001 KX76.

For a time it was thought that it might be larger than Charon, the moon of Pluto, but later measurements showed a diameter of about 700 kilometres. The International Astronomical Union names plutinos after figures of the underworld. The name was published on 28 March 2002.

According to the Minor Planet Center citation, Ixion tried to win the love of Hera, and Zeus prevented it by creating the cloud Nephele in the likeness of Hera. From this cloud Ixion became the father of the Centaurs, and for his crimes he was bound to a wheel that turns forever in the underworld. The citation states that the name was suggested by E. K. Elliot.

Discovery22 May 2001
Discovered byDeep Ecliptic Survey (R. L. Millis, J. L. Elliot, L. H. Wasserman)
ObservatoryCerro Tololo, Víctor M. Blanco telescope
Provisional designation2001 KX76
Name approved28 March 2002 (Minor Planet Circular 45236)
Name suggested byE. K. Elliot

Ixion in classical astrology: no rulership

RulershipNone. In classical astrology domicile belongs to the seven traditional planets alone.
ExaltationNone. Degrees of exaltation are defined for the seven planets.
SectNone. The division by sect belongs to the classical seven.
JoyNone. Joy is tied to the house system and does not cover trans-Neptunian objects.
Type of bodyIt is a plutino, that is, a Kuiper belt object in 2:3 resonance with Neptune. It is about 700 kilometres across, and whether it is a dwarf planet is uncertain.
Discovery22 May 2001, Deep Ecliptic Survey, Cerro Tololo.
OrbitIt completes its circuit of the Sun in about 250 years.
Modern useIt can be added to the chart in Thema. There is no established tradition of interpretation.

The position of this school is plain: Ixion is not a planet and rules no sign. It has no place in the dignity table. None of the classical sources mentions this body. For the detail see Essential and Accidental Dignities.

Table of correspondences

These correspondences come from the discovery record, from the mythological sources and from twentieth century asteroid literature. They are not part of the classical system of dignities and should not be read as if they were.

Discovery22 May 2001, Cerro Tololo
Name approved28 March 2002
MoonNo known moon
UnicodeNone, the glyphs are still at the proposal stage
WifeDia
OffspringCentaurus and the Centaurs, and in some sources Peirithous
In classical astrologyIt has no place

Frequently Asked Questions

Is the wheel of Ixion in the sky or in the underworld?

The sources diverge. Pindar describes the wheel as winged, and Apollodorus writes that Ixion is whirled through the air by the winds. Virgil and Ovid, on the other hand, place him among the punished in the underworld. The Minor Planet Center citation follows the Latin poets and names the underworld.

Are the Centaurs the children of Ixion?

According to Pindar the cloud gives birth to a single being called Centaurus, and the Centaurs descend from his union with the Magnesian mares. Diodorus and later writers count the Centaurs as the direct children of Ixion and the cloud. Chiron, however, is the son of Cronus and does not belong to this line.

Why is the glyph of Ixion not in Unicode?

Because the proposed glyphs have not come into wide use, nobody has asked Unicode to encode them. Kirk Miller's 2021 proposal mentions them but does not request a code point. U+2BF3 is sometimes taken for Ixion, but it is an aspect symbol. The glyph on this page was drawn after the form proposed by Denis Moskowitz.

Does Ixion have a rulership in classical astrology?

No. Ixion is a trans-Neptunian object. In classical astrology domicile, exaltation, sect and joy belong to the seven traditional planets alone.

Whose son is Peirithous?

In most sources he is the son of Ixion and Dia. Homer, however, has Zeus say in the Iliad that Peirithous was born from the wife of Ixion, which makes Zeus the father. Both lines were in use in antiquity.

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