🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.6 AU - 0.98 AU

Year: 251 Days

Day: 25.4 Hours

Environment

Temp: 153 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.86 AU - 1.42 AU

Year: 436 Days

Day: 29.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 32.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 83,474,267 km

• M1: 270,024 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.28 AU - 2 AU

Year: 752 Days

Day: 35.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,474,267 km

• M1: 18,700 km (0.058 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.7

Radius: 7.2

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 15.82 AU - 16.24 AU

Year: 22987 Days

Day: 24.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,474,267 km

• M1: 90,357 km (0.09 R)
• M2: 661,522 km (0.063 R)
• M3: 1,881,044 km (0.113 R)
• M4: 3,224,433 km (0.079 R)
• M5: 3,634,031 km (0.094 R)
• M6: 4,313,206 km (0.059 R)
• M7: 5,426,214 km (0.036 R)
• M8: 8,100,426 km (0.078 R)
• M9: 9,959,927 km (0.077 R)
• M10: 10,264,508 km (0.053 R)
• M11: 10,764,764 km (0.069 R)
• M12: 11,085,651 km (0.104 R)
• M13: 16,869,105 km (0.113 R)
• M14: 34,016,162 km (0.052 R)
• M15: 36,983,137 km (0.111 R)
• M16: 39,812,332 km (0.11 R)
• M17: 43,588,032 km (0.034 R)
• M18: 46,402,417 km (0.058 R)
• M19: 48,984,327 km (0.11 R)
• M20: 50,043,480 km (0.089 R)
• M21: 50,399,822 km (0.102 R)
• M22: 59,869,517 km (0.037 R)
• M23: 63,549,325 km (0.11 R)
• M24: 67,160,618 km (0.117 R)
• M25: 72,716,234 km (0.111 R)
• M26: 77,137,898 km (0.114 R)
• M27: 80,264,344 km (0.097 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit