Lumicattic

 is a xenogender and subset of catgender intended for those who have a deep connection to stars, cloudy night skies, space, celestial bodies, cats, galaxies, and the universe as a whole.

It can also be for those who feel a connection to outer space and cats, or those whose gender can be described as a celestial cat. This gender is specifically not related to aliens.

Etymology
The term uses the word "lumi", followed by the suffix "-cattic", denoting that it is a catgender.

Definitions

 * A xenogender, faunagender and subset of catgender for those who have a deep connection to stars, cloudy night skies, space, celestial bodies, cats, galaxies, and the universe as a whole. For when you feel a connection to outer space and cats, or your gender can be described as a celestial cat. This gender is specifically not related to aliens. - bun-gender 2022

History
Lumicattic was coined on March 17th, 2022 by Tumblr user bun-gender alongside Lumipuppic and Lumibunnic.