🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.75 AU - 0.85 AU

Year: 302 Days

Day: 25.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.85 AU - 1.15 AU

Year: 422 Days

Day: 33.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.8

Radius: 9.7

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.63 AU - 10.27 AU

Year: 13237 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,572,619 km

• M1: 132,693 km (0.107 R)
• M2: 672,143 km (0.09 R)
• M3: 1,002,306 km (0.048 R)
• M4: 1,784,254 km (0.04 R)
• M5: 3,106,549 km (0.082 R)
• M6: 3,889,545 km (0.069 R)
• M7: 5,303,544 km (0.051 R)
• M8: 7,281,976 km (0.09 R)
• M9: 9,492,284 km (0.116 R)
• M10: 14,037,516 km (0.117 R)
• M11: 15,606,199 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.1

Radius: 5

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 10.23 AU - 11.67 AU

Year: 15282 Days

Day: 16.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,572,619 km

• M1: 62,233 km (0.112 R)
• M2: 576,251 km (0.088 R)
• M3: 1,106,875 km (0.12 R)
• M4: 1,307,037 km (0.086 R)
• M5: 1,915,451 km (0.079 R)
• M6: 2,075,222 km (0.101 R)
• M7: 2,695,454 km (0.089 R)
• M8: 2,919,851 km (0.111 R)
• M9: 3,509,267 km (0.096 R)
• M10: 4,694,680 km (0.078 R)
• M11: 6,918,004 km (0.111 R)
• M12: 7,339,421 km (0.104 R)
• M13: 9,915,496 km (0.091 R)
• M14: 11,462,787 km (0.092 R)
• M15: 12,172,779 km (0.092 R)
• M16: 12,354,690 km (0.06 R)
• M17: 12,538,396 km (0.088 R)
• M18: 12,848,812 km (0.117 R)
• M19: 17,286,483 km (0.04 R)
• M20: 17,516,415 km (0.07 R)
• M21: 18,939,539 km (0.118 R)
• M22: 20,954,473 km (0.101 R)
• M23: 21,568,123 km (0.109 R)
• M24: 25,404,561 km (0.119 R)
• M25: 26,404,772 km (0.108 R)
• M26: 32,379,412 km (0.11 R)
• M27: 32,729,022 km (0.113 R)
• M28: 36,868,694 km (0.106 R)
• M29: 38,409,253 km (0.104 R)
• M30: 39,063,594 km (0.115 R)
• M31: 40,394,567 km (0.08 R)
• M32: 41,344,064 km (0.117 R)
• M33: 45,291,055 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 16,464 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit