🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 10.8

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,756,041 km

• M1: 134,339 km (0.046 R)
• M2: 495,618 km (0.083 R)
• M3: 879,935 km (0.05 R)
• M4: 1,533,528 km (0.085 R)
• M5: 2,295,729 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65

Radius: 8.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.47 AU - 1.49 AU

Year: 1221 Days

Day: 13.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,756,041 km

• M1: 100,979 km (0.072 R)
• M2: 361,728 km (0.081 R)
• M3: 710,590 km (0.068 R)
• M4: 1,383,780 km (0.102 R)
• M5: 1,639,742 km (0.084 R)
• M6: 2,206,120 km (0.104 R)
• M7: 2,616,317 km (0.094 R)
• M8: 3,459,600 km (0.118 R)
• M9: 4,001,893 km (0.075 R)
• M10: 4,361,975 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.8

Radius: 12.6

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.58 AU - 2.04 AU

Year: 1652 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,756,041 km

• M1: 157,676 km (0.117 R)
• M2: 599,439 km (0.079 R)
• M3: 2,084,497 km (0.034 R)
• M4: 2,815,582 km (0.097 R)
• M5: 3,223,834 km (0.097 R)
• M6: 4,007,727 km (0.082 R)
• M7: 4,804,186 km (0.062 R)
• M8: 5,324,338 km (0.096 R)
• M9: 6,082,500 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.8

Radius: 6.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.91 AU - 6.67 AU

Year: 10700 Days

Day: 16 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,756,041 km

• M1: 87,814 km (0.092 R)
• M2: 325,675 km (0.037 R)
• M3: 1,368,073 km (0.098 R)
• M4: 1,740,272 km (0.095 R)
• M5: 2,019,571 km (0.1 R)
• M6: 2,363,048 km (0.11 R)
• M7: 2,763,970 km (0.075 R)
• M8: 3,083,511 km (0.086 R)
• M9: 3,678,462 km (0.119 R)
• M10: 4,560,491 km (0.098 R)
• M11: 4,893,197 km (0.101 R)
• M12: 5,514,327 km (0.065 R)
• M13: 6,456,943 km (0.109 R)
• M14: 8,327,665 km (0.083 R)
• M15: 9,653,700 km (0.057 R)
• M16: 10,063,748 km (0.081 R)
• M17: 10,772,842 km (0.088 R)
• M18: 11,514,698 km (0.072 R)
• M19: 11,769,313 km (0.096 R)
• M20: 12,184,747 km (0.1 R)
• M21: 12,502,642 km (0.118 R)
• M22: 13,044,785 km (0.108 R)
• M23: 13,602,486 km (0.088 R)
• M24: 16,892,292 km (0.09 R)
• M25: 20,452,871 km (0.045 R)
• M26: 21,511,426 km (0.109 R)
• M27: 23,410,122 km (0.061 R)
• M28: 28,920,709 km (0.095 R)
• M29: 30,543,547 km (0.082 R)
• M30: 32,226,074 km (0.109 R)
• M31: 35,774,835 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 14,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit