Gilly

The tiny, cratered moon orbiting Duna awaits your low-gravity landing.

Gilly is the solitary natural satellite orbiting the red planet Duna within the Kerbol system. Though diminutive in size compared to its parent world, it holds significant value for spacefarers seeking a low-gravity environment for experimentation and transit. Its surface is a barren landscape of rock and dust, offering no atmosphere to shield visitors from radiation or micrometeoroids. Despite its small stature, Gilly serves as a crucial waypoint for ambitious missions targeting Duna. The weak gravitational pull makes landing relatively fuel-efficient compared to larger bodies, provided pilots manage their approach velocity carefully without the aid of aerobraking.

Quick Facts

Parent body: Duna
Classification: Natural Satellite
Atmosphere: None (Vacuum)
Surface gravity: Extremely Low
Terrain composition: Rocky and Cratered
Orbit type: Prograde around Duna
Life status: No Known Biosignatures

Lore & Background

In the annals of Kerbal exploration, Gilly is often remembered as the humble stepping stone to the greater mysteries of the Duna system. Early scouts noted that while it lacked the dramatic storms or thick atmosphere of its neighbor, its silence and stillness offered a unique peace for orbital insertion tests. The moon's surface preserves ancient impacts in perfect clarity due to the absence of weathering winds or water erosion. This geological stability has made Gilly a favorite target for science vessels aiming to gather pristine samples of the system's history without contamination from atmospheric interference. Legends among veteran pilots speak of the "Gilly Hop," where astronauts utilize the low gravity to travel vast distances across the surface with simple jumps, turning routine inspections into playful excursions under the gaze of a looming red giant.

Reader's Guide

Gilly presents a unique challenge due to its minuscule mass and complete lack of atmosphere. Pilots must exercise extreme caution during descent, as there is no air resistance to slow down approaching vehicles. Without aerobraking capabilities, every meter per second of velocity must be countered by retro-rockets or precise orbital insertion maneuvers before landing begins. The surface gravity is exceptionally weak, allowing Kerbals to leap incredible heights with minimal effort.

This creates a playful environment for EVA activities but complicates precise movement and anchoring equipment. Loose regolith behaves unpredictably in such low weight, often floating away when disturbed during sample collection or construction tasks on the dusty plains. Exploration significance lies primarily in its proximity to Duna. It serves as an ideal staging ground for refueling operations before attempting a landing on the larger red planet.

Scientists value Gilly for its pristine craters and lack of atmospheric interference, making it perfect for unobstructed astronomical observations or simple geology experiments that require vacuum conditions.