🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.55 AU - 0.75 AU

Year: 200 Days

Day: 26.8 Hours

Environment

Temp: 103 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,887,671 km

• M1: 54,304 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.74 AU - 1.24 AU

Year: 375 Days

Day: 31.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 174.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 52,887,671 km

• M1: 61,335 km (0.1 R)
• M2: 630,106 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1 AU - 1.16 AU

Year: 427 Days

Day: 13.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 52,887,671 km

• M1: 48,619 km (0.069 R)
• M2: 221,106 km (0.076 R)

Asteroid Belt

Center: 4.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.1

Radius: 11.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.15 AU - 9.33 AU

Year: 8200 Days

Day: 9.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,887,671 km

• M1: 151,393 km (0.038 R)
• M2: 721,062 km (0.096 R)
• M3: 2,519,079 km (0.095 R)
• M4: 3,285,468 km (0.097 R)
• M5: 3,917,071 km (0.109 R)
• M6: 5,111,610 km (0.109 R)
• M7: 6,801,766 km (0.119 R)
• M8: 7,682,449 km (0.118 R)
• M9: 10,149,767 km (0.094 R)
• M10: 11,109,587 km (0.034 R)
• M11: 12,584,622 km (0.055 R)
• M12: 14,409,716 km (0.12 R)
• M13: 15,152,170 km (0.053 R)
• M14: 15,740,538 km (0.112 R)
• M15: 16,589,805 km (0.06 R)
• M16: 20,013,353 km (0.08 R)
• M17: 24,759,944 km (0.09 R)
• M18: 25,659,326 km (0.069 R)
• M19: 27,091,875 km (0.075 R)
• M20: 31,329,534 km (0.11 R)
• M21: 32,188,525 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.6

Radius: 7.6

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 9.3 AU - 14.52 AU

Year: 15652 Days

Day: 18.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,887,671 km

• M1: 94,546 km (0.09 R)
• M2: 468,241 km (0.114 R)
• M3: 797,357 km (0.118 R)
• M4: 1,065,885 km (0.084 R)
• M5: 1,342,491 km (0.115 R)
• M6: 3,107,297 km (0.112 R)
• M7: 4,380,375 km (0.077 R)
• M8: 5,645,973 km (0.112 R)
• M9: 6,267,702 km (0.12 R)
• M10: 6,813,136 km (0.091 R)
• M11: 7,690,228 km (0.116 R)
• M12: 11,440,946 km (0.103 R)
• M13: 12,494,863 km (0.063 R)
• M14: 22,545,297 km (0.048 R)
• M15: 23,822,713 km (0.109 R)
• M16: 28,359,268 km (0.042 R)
• M17: 29,954,879 km (0.118 R)
• M18: 32,745,478 km (0.078 R)
• M19: 40,404,889 km (0.111 R)
• M20: 40,936,410 km (0.094 R)
• M21: 50,547,475 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 154 - 17,940 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit