🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.61 AU - 0.79 AU

Year: 217 Days

Day: 33.2 Hours

Environment

Temp: 102 °C

Axial Tilt: 39.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,476,714 km

• M1: 23,038 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.94 AU

Year: 333 Days

Day: 15.7 Hours

Environment

Temp: 45 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.34 AU - 2.78 AU

Year: 1519 Days

Day: 27.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.2

Radius: 11.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.23 AU - 10.27 AU

Year: 8788 Days

Day: 12.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,476,714 km

• M1: 145,110 km (0.067 R)
• M2: 547,827 km (0.092 R)
• M3: 953,238 km (0.095 R)
• M4: 1,453,792 km (0.115 R)
• M5: 2,325,200 km (0.038 R)
• M6: 3,185,836 km (0.045 R)
• M7: 3,918,866 km (0.051 R)
• M8: 6,381,845 km (0.05 R)
• M9: 7,242,781 km (0.072 R)
• M10: 7,779,837 km (0.094 R)
• M11: 9,733,885 km (0.077 R)
• M12: 18,502,564 km (0.108 R)
• M13: 21,862,532 km (0.077 R)
• M14: 22,339,300 km (0.063 R)
• M15: 29,860,782 km (0.088 R)
• M16: 31,443,677 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.2

Radius: 11.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.47 AU - 12.79 AU

Year: 12853 Days

Day: 7.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,476,714 km

• M1: 258,206 km (0.069 R)
• M2: 757,264 km (0.113 R)
• M3: 1,138,889 km (0.049 R)
• M4: 1,782,459 km (0.086 R)
• M5: 3,983,343 km (0.111 R)
• M6: 4,418,972 km (0.097 R)
• M7: 10,436,247 km (0.107 R)
• M8: 15,047,601 km (0.119 R)
• M9: 17,926,163 km (0.118 R)
• M10: 23,482,527 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.2

Radius: 4.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 13.03 AU - 13.75 AU

Year: 18171 Days

Day: 16.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 140.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,476,714 km

• M1: 54,753 km (0.109 R)
• M2: 457,321 km (0.101 R)
• M3: 1,060,499 km (0.12 R)
• M4: 1,841,101 km (0.026 R)
• M5: 2,907,734 km (0.115 R)
• M6: 3,361,763 km (0.102 R)
• M7: 4,594,001 km (0.092 R)
• M8: 11,264,570 km (0.112 R)
• M9: 12,742,747 km (0.066 R)
• M10: 13,445,408 km (0.092 R)
• M11: 21,343,727 km (0.116 R)
• M12: 28,553,895 km (0.116 R)
• M13: 31,861,055 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 17,825 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit