🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.51 AU - 0.67 AU

Year: 158 Days

Day: 30.3 Hours

Environment

Temp: 250 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,044,492 km

• M1: 39,494 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.01 AU - 1.57 AU

Year: 510 Days

Day: 42.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 54,044,492 km

• M1: 89,310 km (0.106 R)
• M2: 412,591 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.26 AU - 1.58 AU

Year: 589 Days

Day: 18.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.44 AU - 1.68 AU

Year: 679 Days

Day: 45.3 Hours

Environment

Temp: -13 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,044,492 km

• M1: 30,967 km (0.105 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.52 AU - 2.4 AU

Year: 956 Days

Day: 19.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.45 AU - 4.75 AU

Year: 2891 Days

Day: 46.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.41 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.2

Radius: 7.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 14.4 AU - 19.04 AU

Year: 23809 Days

Day: 18.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,044,492 km

• M1: 90,058 km (0.062 R)
• M2: 835,355 km (0.083 R)
• M3: 1,286,691 km (0.097 R)
• M4: 1,546,393 km (0.063 R)
• M5: 2,442,784 km (0.112 R)
• M6: 2,713,257 km (0.074 R)
• M7: 3,862,916 km (0.118 R)
• M8: 4,439,466 km (0.086 R)
• M9: 5,375,650 km (0.059 R)
• M10: 5,763,108 km (0.063 R)
• M11: 8,538,448 km (0.079 R)
• M12: 12,216,162 km (0.113 R)
• M13: 18,202,321 km (0.077 R)
• M14: 19,156,905 km (0.115 R)
• M15: 19,482,280 km (0.069 R)
• M16: 19,728,818 km (0.057 R)
• M17: 20,565,668 km (0.112 R)
• M18: 20,992,770 km (0.093 R)
• M19: 23,310,041 km (0.075 R)
• M20: 25,694,033 km (0.077 R)
• M21: 30,606,976 km (0.101 R)
• M22: 35,131,265 km (0.109 R)
• M23: 35,374,511 km (0.068 R)
• M24: 35,619,103 km (0.093 R)
• M25: 36,235,147 km (0.079 R)
• M26: 39,553,976 km (0.047 R)
• M27: 42,378,234 km (0.113 R)
• M28: 47,676,393 km (0.104 R)
• M29: 49,791,108 km (0.085 R)
• M30: 50,098,233 km (0.034 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 10,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit