🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.1

Radius: 11.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 11.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,902,675 km

• M1: 147,055 km (0.109 R)
• M2: 519,703 km (0.034 R)
• M3: 965,205 km (0.076 R)
• M4: 2,045,152 km (0.08 R)
• M5: 2,517,134 km (0.09 R)
• M6: 3,100,416 km (0.104 R)
• M7: 3,716,609 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.81 AU - 1.04 AU

Year: 588 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,902,675 km

• M1: 174,132 km (0.12 R)
• M2: 630,405 km (0.067 R)
• M3: 1,716,187 km (0.094 R)
• M4: 2,357,363 km (0.112 R)
• M5: 2,940,197 km (0.082 R)
• M6: 3,427,736 km (0.091 R)
• M7: 4,668,650 km (0.081 R)
• M8: 5,644,776 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375

Radius: 8.3

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.12 AU - 1.64 AU

Year: 1081 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,902,675 km

• M1: 105,317 km (0.064 R)
• M2: 388,655 km (0.11 R)
• M3: 653,593 km (0.062 R)
• M4: 1,051,823 km (0.104 R)
• M5: 1,368,671 km (0.088 R)
• M6: 2,323,405 km (0.079 R)
• M7: 2,654,913 km (0.041 R)
• M8: 3,017,688 km (0.095 R)
• M9: 3,441,050 km (0.069 R)
• M10: 3,739,947 km (0.038 R)
• M11: 4,134,137 km (0.086 R)
• M12: 4,952,587 km (0.115 R)
• M13: 6,076,516 km (0.082 R)
• M14: 6,840,811 km (0.08 R)
• M15: 7,338,673 km (0.07 R)
• M16: 8,031,461 km (0.079 R)
• M17: 8,663,063 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 10.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.88 AU - 3.24 AU

Year: 3570 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,902,675 km

• M1: 132,095 km (0.079 R)
• M2: 517,010 km (0.056 R)
• M3: 878,140 km (0.061 R)
• M4: 2,269,101 km (0.061 R)
• M5: 3,520,038 km (0.112 R)
• M6: 4,099,281 km (0.068 R)
• M7: 9,157,933 km (0.107 R)
• M8: 10,638,952 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.6

Radius: 5.8

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.55 AU - 7.91 AU

Year: 11643 Days

Day: 18.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,902,675 km

• M1: 76,744 km (0.026 R)
• M2: 320,738 km (0.113 R)
• M3: 627,114 km (0.061 R)
• M4: 1,046,736 km (0.106 R)
• M5: 1,301,801 km (0.098 R)
• M6: 3,339,623 km (0.1 R)
• M7: 10,374,612 km (0.084 R)
• M8: 13,876,399 km (0.07 R)
• M9: 16,049,159 km (0.077 R)
• M10: 16,432,129 km (0.104 R)
• M11: 18,093,414 km (0.036 R)
• M12: 26,388,167 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 16,643 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit