🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.92 AU - 0.96 AU

Year: 382 Days

Day: 27.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.37 AU - 1.81 AU

Year: 840 Days

Day: 13.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.68 AU - 2.42 AU

Year: 1230 Days

Day: 16.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,380,612 km

• M1: 338,091 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.83 AU - 3.05 AU

Year: 1597 Days

Day: 44.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,380,612 km

• M1: 104,270 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.8

Radius: 13.8

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.89 AU - 6.45 AU

Year: 5657 Days

Day: 6.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,380,612 km

• M1: 174,132 km (0.079 R)
• M2: 611,855 km (0.048 R)
• M3: 1,327,831 km (0.062 R)
• M4: 4,532,217 km (0.118 R)
• M5: 5,122,381 km (0.104 R)
• M6: 5,947,563 km (0.084 R)
• M7: 7,278,236 km (0.095 R)
• M8: 7,825,614 km (0.067 R)
• M9: 9,252,479 km (0.088 R)
• M10: 9,939,731 km (0.092 R)
• M11: 10,386,281 km (0.119 R)
• M12: 20,051,500 km (0.095 R)
• M13: 26,683,024 km (0.064 R)
• M14: 29,609,757 km (0.07 R)
• M15: 31,103,192 km (0.084 R)
• M16: 32,646,295 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.4

Radius: 6.4

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 15.06 AU - 16.78 AU

Year: 26613 Days

Day: 24.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,380,612 km

• M1: 80,633 km (0.091 R)
• M2: 1,247,945 km (0.115 R)
• M3: 1,661,584 km (0.068 R)
• M4: 2,982,084 km (0.114 R)
• M5: 3,269,461 km (0.104 R)
• M6: 5,748,448 km (0.04 R)
• M7: 6,751,651 km (0.051 R)
• M8: 12,007,174 km (0.061 R)
• M9: 15,174,610 km (0.074 R)
• M10: 17,403,618 km (0.051 R)
• M11: 30,887,472 km (0.092 R)
• M12: 31,502,768 km (0.083 R)
• M13: 37,136,026 km (0.11 R)
• M14: 55,059,496 km (0.037 R)
• M15: 60,826,045 km (0.049 R)
• M16: 65,355,570 km (0.057 R)
• M17: 70,953,672 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 19,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit