🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 24.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.57 AU - 0.71 AU

Year: 331 Days

Day: 34.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.58 AU - 0.74 AU

Year: 346 Days

Day: 36.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,614,491 km

• M1: 21,243 km (0.079 R)
• M2: 61,485 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 9

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.63 AU - 0.95 AU

Year: 453 Days

Day: 7.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,614,491 km

• M1: 111,899 km (0.115 R)
• M2: 438,471 km (0.041 R)
• M3: 873,502 km (0.055 R)
• M4: 1,157,888 km (0.108 R)
• M5: 1,519,615 km (0.087 R)
• M6: 1,815,520 km (0.101 R)
• M7: 2,308,744 km (0.076 R)
• M8: 2,991,060 km (0.113 R)
• M9: 3,448,680 km (0.069 R)
• M10: 3,869,648 km (0.052 R)
• M11: 5,156,639 km (0.054 R)
• M12: 6,185,274 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 11.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.75 AU - 4.51 AU

Year: 4466 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,614,491 km

• M1: 140,772 km (0.091 R)
• M2: 538,552 km (0.111 R)
• M3: 944,411 km (0.046 R)
• M4: 1,651,560 km (0.113 R)
• M5: 3,382,408 km (0.079 R)
• M6: 4,287,026 km (0.072 R)
• M7: 4,883,024 km (0.079 R)
• M8: 5,319,251 km (0.074 R)
• M9: 5,753,684 km (0.109 R)
• M10: 9,767,993 km (0.032 R)
• M11: 10,801,565 km (0.102 R)
• M12: 11,322,913 km (0.116 R)
• M13: 12,369,201 km (0.107 R)
• M14: 12,843,875 km (0.106 R)
• M15: 14,917,750 km (0.093 R)
• M16: 15,293,091 km (0.107 R)
• M17: 16,286,870 km (0.098 R)
• M18: 16,915,181 km (0.062 R)
• M19: 18,464,566 km (0.042 R)
• M20: 19,022,267 km (0.054 R)
• M21: 20,301,927 km (0.115 R)
• M22: 24,559,482 km (0.1 R)
• M23: 25,007,977 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 19,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit