🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.57 AU - 0.93 AU

Year: 236 Days

Day: 33.7 Hours

Environment

Temp: 104 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.61 AU - 0.91 AU

Year: 241 Days

Day: 14.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 10.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.82 AU - 1.1 AU

Year: 342 Days

Day: 45.5 Hours

Environment

Temp: 108 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,699,372 km

• M1: 152,440 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.48 AU - 2.32 AU

Year: 952 Days

Day: 36.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.3 AU - 3.58 AU

Year: 1832 Days

Day: 33.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.81 AU - 4.35 AU

Year: 2995 Days

Day: 40.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.4 AU - 5.58 AU

Year: 3458 Days

Day: 38.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.2

Radius: 7.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 15.1 AU - 20.76 AU

Year: 27593 Days

Day: 18.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,699,372 km

• M1: 95,743 km (0.107 R)
• M2: 526,136 km (0.093 R)
• M3: 1,001,707 km (0.1 R)
• M4: 1,243,009 km (0.119 R)
• M5: 1,942,528 km (0.088 R)
• M6: 3,498,346 km (0.101 R)
• M7: 4,201,456 km (0.103 R)
• M8: 4,810,619 km (0.041 R)
• M9: 5,644,926 km (0.104 R)
• M10: 5,990,348 km (0.093 R)
• M11: 7,473,910 km (0.071 R)
• M12: 9,472,836 km (0.107 R)
• M13: 9,862,240 km (0.083 R)
• M14: 10,312,978 km (0.116 R)
• M15: 15,875,326 km (0.11 R)
• M16: 16,286,421 km (0.111 R)
• M17: 18,002,009 km (0.059 R)
• M18: 26,168,856 km (0.091 R)
• M19: 27,032,634 km (0.101 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 11,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit