🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 12.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.59 AU - 0.67 AU

Year: 345 Days

Day: 13.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,722,045 km

• M1: 160,369 km (0.098 R)
• M2: 750,233 km (0.093 R)
• M3: 1,829,283 km (0.083 R)
• M4: 2,597,318 km (0.096 R)
• M5: 4,049,914 km (0.105 R)
• M6: 4,458,017 km (0.049 R)
• M7: 4,984,302 km (0.054 R)
• M8: 5,502,958 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.3

Radius: 10.2

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.8 AU - 1.04 AU

Year: 609 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,722,045 km

• M1: 126,859 km (0.086 R)
• M2: 489,933 km (0.066 R)
• M3: 1,056,909 km (0.111 R)
• M4: 1,704,069 km (0.068 R)
• M5: 2,099,457 km (0.113 R)
• M6: 2,453,704 km (0.117 R)
• M7: 2,825,455 km (0.11 R)
• M8: 3,724,089 km (0.095 R)
• M9: 4,457,717 km (0.053 R)
• M10: 4,851,309 km (0.079 R)
• M11: 5,371,461 km (0.065 R)
• M12: 5,708,356 km (0.091 R)
• M13: 6,603,100 km (0.12 R)
• M14: 7,011,203 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 12.6

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.84 AU - 3.9 AU

Year: 4270 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,722,045 km

• M1: 156,779 km (0.061 R)
• M2: 577,747 km (0.118 R)
• M3: 1,719,029 km (0.037 R)
• M4: 3,118,966 km (0.103 R)
• M5: 3,576,137 km (0.11 R)
• M6: 4,611,504 km (0.116 R)
• M7: 5,377,894 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.7

Radius: 3.9

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.92 AU - 8 AU

Year: 11333 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,722,045 km

• M1: 48,470 km (0.108 R)
• M2: 173,833 km (0.095 R)
• M3: 1,567,786 km (0.093 R)
• M4: 2,061,459 km (0.027 R)
• M5: 2,525,511 km (0.108 R)
• M6: 2,936,606 km (0.07 R)
• M7: 3,262,430 km (0.106 R)
• M8: 5,620,392 km (0.092 R)
• M9: 5,805,145 km (0.083 R)
• M10: 7,394,922 km (0.073 R)
• M11: 7,654,175 km (0.098 R)
• M12: 9,168,704 km (0.078 R)
• M13: 12,460,605 km (0.08 R)
• M14: 13,364,625 km (0.115 R)
• M15: 16,275,500 km (0.026 R)
• M16: 17,943,965 km (0.072 R)
• M17: 18,076,958 km (0.075 R)
• M18: 18,888,078 km (0.049 R)
• M19: 23,389,477 km (0.058 R)
• M20: 25,007,977 km (0.096 R)
• M21: 29,285,578 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 15,371 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit