Planetary Names

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Gazetteer of Planetary Nomenclature

Aegir

Basic Info

Feature Name	Aegir
Clean Name	Aegir
Feature ID	63
Target	Callisto
Feature Type	Crater, craters

Location

Control Network

Coordinate System	Planetographic, +West, 0 - 360
Northmost Latitude	-45.20 °
Southmost Latitude	-46.40 °
Eastmost Longitude	102.80 °
Westmost Longitude	104.60 °
Diameter	53.90 km
Center Latitude	-45.80 °
Center Longitude	103.80 °
WKT String	MULTIPOLYGON (((257.2 -45.20000000002607, 255.4 -45.20000000002607, 255.4 -46.39999999996121, 257.2 -46.39999999996121, 257.2 -45.20000000002607)))
Northmost Latitude	-45.20 °
Southmost Latitude	-46.40 °
Eastmost Longitude	102.80 °
Westmost Longitude	104.60 °
Diameter	53.90 km
Center Latitude	-45.80 °
Center Longitude	103.80 °
WKT String	MULTIPOLYGON (((256.19675779500005 -45.15412295899995, 255.957884271 -45.18181509799996, 255.73986063100006 -45.25999076299996, 255.56146292100004 -45.381917520999934, 255.43805463400003 -45.53709511899996, 255.380263608 -45.71215976599996, 255.39306676600006 -45.892035014999976, 255.47536151300005 -46.06123012599994, 255.62006067800002 -46.20517413399995, 255.81470286500002 -46.31147067599994, 256.04252561900006 -46.37096556499995, 256.28390900000005 -46.378535140999986, 256.51806523400006 -46.333527516999936, 256.724828939 -46.23981871999996, 256.88639376900005 -46.105478887999936, 256.98884586400004 -45.94207727799994, 257.023362123 -45.76368592699998, 257.006910891 -45.64400392599998, 256.95945009800005 -45.52908777399995, 256.882803635 -45.42335363299998, 256.77991698100004 -45.330864805999965, 256.654744014 -45.25517558699994, 256.51209506000004 -45.199194671999976, 256.35745204000006 -45.16507337499996, 256.19675779500005 -45.15412295899995)))
Quad	-

Status and Origin

Approval Status	Adopted by IAU
Approval Date	1997
Continent	Europe
Ethnicity	Norse
Origin	Norse sea god.
Reference	[17] - Norse mythology: lists provided by Kaare Aksnes.
Updated	Dec 04, 2025 8:39 PM

PDF Maps of Callisto

Callisto