🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.22 AU - 1.78 AU

Year: 646 Days

Day: 28.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 60,119,498 km

• M1: 18,251 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.9 AU - 2.02 AU

Year: 964 Days

Day: 38.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.61 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.3

Radius: 6.7

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.57 AU - 16.95 AU

Year: 20951 Days

Day: 18.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,119,498 km

• M1: 84,822 km (0.104 R)
• M2: 1,000,361 km (0.053 R)
• M3: 1,366,128 km (0.083 R)
• M4: 2,300,067 km (0.113 R)
• M5: 2,666,283 km (0.089 R)
• M6: 2,991,957 km (0.104 R)
• M7: 3,288,012 km (0.06 R)
• M8: 4,002,192 km (0.079 R)
• M9: 4,960,815 km (0.117 R)
• M10: 8,064,522 km (0.096 R)
• M11: 8,532,913 km (0.106 R)
• M12: 9,019,256 km (0.11 R)
• M13: 9,870,617 km (0.082 R)
• M14: 10,285,751 km (0.112 R)
• M15: 15,335,128 km (0.077 R)
• M16: 22,835,068 km (0.073 R)
• M17: 23,352,228 km (0.032 R)
• M18: 24,625,006 km (0.075 R)
• M19: 26,848,031 km (0.07 R)
• M20: 28,839,926 km (0.117 R)
• M21: 29,933,337 km (0.12 R)
• M22: 39,250,741 km (0.039 R)
• M23: 45,774,854 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.2

Radius: 5.1

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 12.18 AU - 19.62 AU

Year: 22283 Days

Day: 23.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,119,498 km

• M1: 172,486 km (0.103 R)
• M2: 358,436 km (0.098 R)
• M3: 1,245,552 km (0.046 R)
• M4: 1,589,627 km (0.118 R)
• M5: 1,904,979 km (0.051 R)
• M6: 3,205,134 km (0.114 R)
• M7: 3,964,942 km (0.084 R)
• M8: 4,871,655 km (0.077 R)
• M9: 5,795,422 km (0.11 R)
• M10: 6,024,157 km (0.077 R)
• M11: 6,338,462 km (0.109 R)
• M12: 7,391,631 km (0.098 R)
• M13: 7,844,015 km (0.044 R)
• M14: 11,185,433 km (0.119 R)
• M15: 17,094,997 km (0.08 R)
• M16: 22,107,723 km (0.117 R)
• M17: 26,635,302 km (0.053 R)
• M18: 33,176,469 km (0.08 R)
• M19: 33,663,410 km (0.086 R)
• M20: 52,043,304 km (0.117 R)
• M21: 58,867,061 km (0.072 R)
• M22: 59,044,933 km (0.036 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit