Hyrrokkin’s relatives

Subgroups among Saturn’s Norse moons.

Published 2026-10-23

NASA notes Hyrrokkin appears to belong to a subgroup including Skathi, Skoll, S/2006 S1, Bergelmir, Farbauti, S/2006 S3 and Kari.^[2]

Greip

Its rotation period and orbit resemble Greip’s, with only the inclination appreciably different.^[1]

Unknown ties

It is not known whether Hyrrokkin and Greip are closely related.^[1]

Size

At about 8 km, Hyrrokkin is larger than many of its neighbours.^[1]

Numbered citations link to the sources list on the Hyrrokkin overview page.