🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.96 AU - 1.1 AU

Year: 400 Days

Day: 36.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,847,652 km

• M1: 35,455 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2 AU - 2.36 AU

Year: 1232 Days

Day: 16.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,847,652 km

• M1: 44,580 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.58 AU - 4.4 AU

Year: 3052 Days

Day: 41.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,847,652 km

• M1: 1,118,842 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 11.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.96 AU - 4.64 AU

Year: 3414 Days

Day: 11.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,847,652 km

• M1: 146,756 km (0.111 R)
• M2: 2,025,106 km (0.109 R)
• M3: 2,445,327 km (0.113 R)
• M4: 3,965,540 km (0.12 R)
• M5: 4,333,402 km (0.109 R)
• M6: 4,724,301 km (0.064 R)
• M7: 5,902,085 km (0.057 R)
• M8: 7,458,651 km (0.097 R)
• M9: 8,297,745 km (0.091 R)
• M10: 8,976,620 km (0.071 R)
• M11: 9,424,217 km (0.112 R)
• M12: 12,294,252 km (0.086 R)
• M13: 13,082,334 km (0.111 R)
• M14: 13,952,993 km (0.089 R)
• M15: 18,001,561 km (0.115 R)
• M16: 22,499,370 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178

Radius: 12.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.2 AU - 13.16 AU

Year: 14313 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,847,652 km

• M1: 200,611 km (0.076 R)
• M2: 838,496 km (0.044 R)
• M3: 1,711,998 km (0.116 R)
• M4: 2,110,676 km (0.058 R)
• M5: 2,856,721 km (0.1 R)
• M6: 4,565,278 km (0.051 R)
• M7: 8,057,790 km (0.117 R)
• M8: 10,486,063 km (0.107 R)
• M9: 11,377,217 km (0.12 R)
• M10: 14,474,043 km (0.108 R)
• M11: 15,142,596 km (0.109 R)
• M12: 16,410,587 km (0.1 R)
• M13: 22,517,771 km (0.088 R)
• M14: 23,498,534 km (0.102 R)
• M15: 26,701,724 km (0.107 R)
• M16: 35,796,975 km (0.098 R)
• M17: 38,847,725 km (0.076 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,079 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit