🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.82 AU - 1.14 AU

Year: 347 Days

Day: 13 Hours

Environment

Temp: 78 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.2 AU - 1.36 AU

Year: 519 Days

Day: 17.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,575,241 km

• M1: 69,713 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.45 AU - 1.87 AU

Year: 766 Days

Day: 18.5 Hours

Environment

Temp: -50 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,575,241 km

• M1: 1,182,870 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.89 AU - 2.23 AU

Year: 1059 Days

Day: 19.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,575,241 km

• M1: 487,539 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.14 AU - 2.36 AU

Year: 1209 Days

Day: 20.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.9

Radius: 10.3

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.88 AU - 6.56 AU

Year: 4900 Days

Day: 7.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,575,241 km

• M1: 130,150 km (0.117 R)
• M2: 457,171 km (0.12 R)
• M3: 2,121,298 km (0.092 R)
• M4: 2,447,720 km (0.089 R)
• M5: 3,220,693 km (0.115 R)
• M6: 4,252,619 km (0.092 R)
• M7: 4,708,892 km (0.06 R)
• M8: 6,414,906 km (0.059 R)
• M9: 6,840,811 km (0.118 R)
• M10: 7,940,655 km (0.116 R)
• M11: 8,566,722 km (0.103 R)
• M12: 10,840,460 km (0.094 R)
• M13: 14,238,127 km (0.062 R)
• M14: 16,074,291 km (0.104 R)
• M15: 17,785,242 km (0.105 R)
• M16: 18,175,094 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.1

Radius: 7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 11.67 AU - 14.09 AU

Year: 16556 Days

Day: 16.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,575,241 km

• M1: 87,066 km (0.105 R)
• M2: 342,430 km (0.11 R)
• M3: 1,602,642 km (0.093 R)
• M4: 3,404,548 km (0.077 R)
• M5: 4,023,435 km (0.085 R)
• M6: 4,302,584 km (0.093 R)
• M7: 10,352,472 km (0.11 R)
• M8: 20,461,249 km (0.038 R)
• M9: 21,456,374 km (0.051 R)
• M10: 29,032,010 km (0.072 R)
• M11: 30,499,864 km (0.075 R)
• M12: 32,570,299 km (0.085 R)
• M13: 38,587,724 km (0.118 R)

Kuiper Belt

Range: 30.6 - 49.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 10,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit