Planetary Names

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Gazetteer of Planetary Nomenclature

Sigyn

Basic Info

Feature Name	Sigyn
Clean Name	Sigyn
Feature ID	5530
Target	Callisto
Feature Type	Crater, craters

Location

Control Network

Coordinate System	Planetographic, +West, 0 - 360
Northmost Latitude	36.50 °
Southmost Latitude	35.30 °
Eastmost Longitude	28.30 °
Westmost Longitude	29.80 °
Diameter	49.80 km
Center Latitude	35.90 °
Center Longitude	29.00 °
WKT String	MULTIPOLYGON (((331.7 36.50000000011729, 330.2 36.50000000011729, 330.2 35.300000000043774, 331.7 35.300000000043774, 331.7 36.50000000011729)))
Northmost Latitude	36.50 °
Southmost Latitude	35.30 °
Eastmost Longitude	28.30 °
Westmost Longitude	29.80 °
Diameter	49.80 km
Center Latitude	35.90 °
Center Longitude	29.00 °
WKT String	MULTIPOLYGON (((330.94171750300006 36.47258349400005, 330.84150803600005 36.46485207100005, 330.743662699 36.44500951200007, 330.65029954600004 36.41348534800005, 330.56343960900006 36.37096198100005, 330.484963143 36.31835991400004, 330.41656892700007 36.25681782400005, 330.359737487 36.18766791000007, 330.31569905500004 36.11240705900008, 330.28540692800004 36.032664442000055, 330.26951684000005 35.95016624500005, 330.26837276300006 35.866698306000046, 330.28199946300003 35.784067452000045, 330.310101963 35.70406239300007, 330.35207192900003 35.62841499500007, 330.40700083700006 35.55876279800003, 330.473699644 35.49661356100006, 330.55072452 35.44331262700007, 330.63640811100004 35.40001380000007, 330.72889562500006 35.367654369000036, 330.82618498600004 35.34693481800008, 330.92617017500004 35.33830366300003, 331.026686813 35.34194774300005, 331.12555901900004 35.357788173000074, 331.2206465080001 35.38548205600006, 331.30989092300007 35.42442990500007, 331.391360392 35.47378861400006, 331.46329134700005 35.53248971800008, 331.52412670100006 35.59926251400003, 331.57254955100007 35.67266157300003, 331.60751168900003 35.75109802800006, 331.62825629100007 35.83287396500003, 331.63433429800006 35.916219184000056, 331.619442379 36.02666890300003, 331.57885186900006 36.132457104000025, 331.51412263900005 36.22951840500008, 331.42774219800003 36.31412279400007, 331.323030096 36.38301897300005, 331.20401036100003 36.433559299000024, 331.075256855 36.46380153700005, 330.94171750300006 36.47258349400005)))
Quad	-

Status and Origin

Approval Status	Adopted by IAU
Approval Date	1979
Continent	Europe
Ethnicity	Norse
Origin	Norse; Loki's wife.
Reference	[17] - Norse mythology: lists provided by Kaare Aksnes.
Updated	Aug 13, 2025 8:22 PM

PDF Maps of Callisto

Callisto