List of regions on Io
This is a list of named regions on Jupiter's moon Io. These names have been approved for use by the International Astronomical Union. The features listed below represent a subset of the total known bright regions on Io's surface with many currently not having an officially approved name. These areas are large-scale regions on Io's surface that are notable for their difference in brightness or color from their surroundings. In most cases, these areas are bright terrains, consisting of sulfur dioxide frost/ice fields, suggesting that they are colder than their surroundings.[1]
The names of regions on Io use a combination of a name derived from locations in Greek mythology associated with the nymph Io or Dante's Inferno, or from the name of a nearby feature on Io's surface and the descriptor term, regio, Latin for region. Coordinate, diameter, and name source below come from the IAU's Solar System Nomenclature Website.[2]
See also the list of mountains on Io and the list of volcanic features on Io.
| Regio | Pronunciation | Named after | Coordinates | Size |
|---|---|---|---|---|
| Bactria Regio | Script error: No such module "IPAc-en". | Bactria | Script error: No such module "Coordinates". | 665.68 km |
| Bosphorus Regio | Script error: No such module "IPAc-en". | Bosphorus | Script error: No such module "Coordinates". | 1,615.15 km |
| Bulicame Regio | Bulicame (The Divine Comedy) | Script error: No such module "Coordinates". | 498.0 km | |
| Chalybes Regio | Script error: No such module "IPAc-en". | Chalybes | Script error: No such module "Coordinates". | 760.56 km |
| Colchis Regio | Script error: No such module "IPAc-en". | Colchis | Script error: No such module "Coordinates". | 2,373.09 km |
| Illyrikon Regio | Script error: No such module "IPAc-en". | Illyria | Script error: No such module "Coordinates". | 750.0 km |
| Lerna Regio | Script error: No such module "IPAc-en". | Lerna | Script error: No such module "Coordinates". | 581.26 km |
| Media Regio | Script error: No such module "IPAc-en". | Media | Script error: No such module "Coordinates". | 2,654.02 km |
| Mycenae Regio | Script error: No such module "IPAc-en". | Mycenae | Script error: No such module "Coordinates". | 600.16 km |
| Tarsus Regio | Script error: No such module "IPAc-en". | Tarsus | Script error: No such module "Coordinates". | 1,520.93 km |
Other regions on Io
| Region | Named after | Coordinates | Size |
|---|---|---|---|
| Chaac-Camaxtli region | Chaac and Camaxtli paterae | Script error: No such module "Coordinates". |
References
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