🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 38.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 43.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,089,878 km

• M1: 211,681 km (0.091 R)
• M2: 485,146 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 12.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,089,878 km

• M1: 151,842 km (0.076 R)
• M2: 610,509 km (0.109 R)
• M3: 1,102,985 km (0.083 R)
• M4: 1,599,052 km (0.055 R)
• M5: 2,052,184 km (0.05 R)
• M6: 2,783,268 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.7

Radius: 11.2

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.03 AU - 1.37 AU

Year: 862 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,089,878 km

• M1: 139,425 km (0.065 R)
• M2: 495,468 km (0.08 R)
• M3: 857,046 km (0.098 R)
• M4: 1,373,159 km (0.077 R)
• M5: 1,777,671 km (0.03 R)
• M6: 2,602,255 km (0.088 R)
• M7: 3,266,769 km (0.045 R)
• M8: 3,863,664 km (0.118 R)
• M9: 4,238,706 km (0.101 R)
• M10: 5,478,424 km (0.093 R)
• M11: 6,081,004 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 12

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.74 AU - 2.3 AU

Year: 1883 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,089,878 km

• M1: 149,299 km (0.067 R)
• M2: 772,972 km (0.113 R)
• M3: 1,219,372 km (0.109 R)
• M4: 1,652,757 km (0.055 R)
• M5: 2,455,948 km (0.081 R)
• M6: 2,869,287 km (0.103 R)
• M7: 3,471,718 km (0.033 R)
• M8: 4,066,669 km (0.034 R)
• M9: 4,689,145 km (0.05 R)
• M10: 6,764,816 km (0.028 R)
• M11: 7,892,036 km (0.112 R)
• M12: 9,140,579 km (0.068 R)
• M13: 9,976,981 km (0.077 R)
• M14: 11,471,314 km (0.1 R)
• M15: 12,406,151 km (0.043 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,160 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit