🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.53 AU - 0.67 AU

Year: 296 Days

Day: 23.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,980,092 km

• M1: 42,935 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 12.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.6 AU - 0.84 AU

Year: 388 Days

Day: 14.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,980,092 km

• M1: 154,235 km (0.076 R)
• M2: 571,613 km (0.112 R)
• M3: 1,215,632 km (0.087 R)
• M4: 1,644,529 km (0.088 R)
• M5: 2,689,770 km (0.114 R)
• M6: 3,182,994 km (0.106 R)
• M7: 3,674,572 km (0.073 R)
• M8: 4,176,174 km (0.093 R)
• M9: 4,664,910 km (0.117 R)
• M10: 5,691,601 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 3.6

Gravity: 21.65 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.58 AU - 7.52 AU

Year: 11902 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,980,092 km

• M1: 44,730 km (0.07 R)
• M2: 156,779 km (0.109 R)
• M3: 293,511 km (0.069 R)
• M4: 857,345 km (0.056 R)
• M5: 998,715 km (0.111 R)
• M6: 1,112,260 km (0.105 R)
• M7: 1,816,417 km (0.066 R)
• M8: 2,133,864 km (0.055 R)
• M9: 2,678,101 km (0.098 R)
• M10: 3,088,897 km (0.057 R)
• M11: 3,635,527 km (0.079 R)
• M12: 3,781,834 km (0.042 R)
• M13: 3,957,312 km (0.094 R)
• M14: 5,066,730 km (0.034 R)
• M15: 6,228,956 km (0.056 R)
• M16: 7,095,726 km (0.06 R)
• M17: 9,747,947 km (0.068 R)
• M18: 10,911,070 km (0.08 R)
• M19: 11,164,639 km (0.12 R)
• M20: 13,860,392 km (0.098 R)
• M21: 14,398,496 km (0.105 R)
• M22: 19,069,091 km (0.098 R)
• M23: 20,035,044 km (0.113 R)
• M24: 20,799,938 km (0.058 R)
• M25: 28,198,002 km (0.083 R)
• M26: 29,352,149 km (0.1 R)
• M27: 29,842,232 km (0.053 R)
• M28: 30,738,024 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 13,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit