🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 13.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,967,334 km

• M1: 166,951 km (0.046 R)
• M2: 629,508 km (0.106 R)
• M3: 1,054,815 km (0.109 R)
• M4: 1,499,419 km (0.119 R)
• M5: 1,916,050 km (0.071 R)
• M6: 2,403,888 km (0.109 R)
• M7: 3,274,099 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 14.1

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,967,334 km

• M1: 175,329 km (0.102 R)
• M2: 694,882 km (0.096 R)
• M3: 1,238,670 km (0.057 R)
• M4: 1,703,022 km (0.085 R)
• M5: 2,318,169 km (0.103 R)
• M6: 3,159,208 km (0.09 R)
• M7: 3,601,868 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.68 AU - 3.02 AU

Year: 3263 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,967,334 km

• M1: 180,415 km (0.069 R)
• M2: 646,412 km (0.097 R)
• M3: 1,383,032 km (0.025 R)
• M4: 3,065,410 km (0.115 R)
• M5: 3,640,913 km (0.102 R)
• M6: 5,047,881 km (0.081 R)
• M7: 5,916,446 km (0.072 R)
• M8: 7,535,245 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619

Radius: 12.4

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.96 AU - 3 AU

Year: 3489 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,967,334 km

• M1: 154,235 km (0.059 R)
• M2: 633,846 km (0.06 R)
• M3: 1,091,017 km (0.039 R)
• M4: 1,614,311 km (0.104 R)
• M5: 2,317,271 km (0.049 R)
• M6: 2,954,857 km (0.065 R)
• M7: 4,247,084 km (0.092 R)
• M8: 4,698,121 km (0.117 R)
• M9: 5,697,136 km (0.059 R)
• M10: 6,653,515 km (0.08 R)
• M11: 7,201,492 km (0.12 R)
• M12: 8,046,421 km (0.117 R)
• M13: 8,527,976 km (0.086 R)
• M14: 10,447,915 km (0.061 R)
• M15: 12,368,004 km (0.119 R)
• M16: 13,104,325 km (0.109 R)
• M17: 14,614,066 km (0.084 R)
• M18: 15,967,179 km (0.118 R)
• M19: 16,509,322 km (0.087 R)
• M20: 17,063,732 km (0.065 R)
• M21: 18,268,294 km (0.089 R)
• M22: 18,801,610 km (0.084 R)
• M23: 19,284,362 km (0.05 R)
• M24: 20,718,557 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 18,884 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit