🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 12

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.83 AU - 1.17 AU

Year: 646 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,038,095 km

• M1: 151,243 km (0.094 R)
• M2: 546,331 km (0.04 R)
• M3: 921,074 km (0.074 R)
• M4: 2,026,602 km (0.113 R)
• M5: 2,987,769 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.5

Radius: 10.3

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.96 AU - 1.4 AU

Year: 828 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,038,095 km

• M1: 128,056 km (0.055 R)
• M2: 480,060 km (0.104 R)
• M3: 931,845 km (0.115 R)
• M4: 2,373,520 km (0.105 R)
• M5: 2,895,168 km (0.068 R)
• M6: 3,222,787 km (0.07 R)
• M7: 3,923,803 km (0.119 R)
• M8: 4,808,824 km (0.072 R)
• M9: 5,252,980 km (0.104 R)
• M10: 6,040,612 km (0.119 R)
• M11: 8,316,146 km (0.102 R)
• M12: 8,748,783 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 13.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.76 AU - 6.9 AU

Year: 9089 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,038,095 km

• M1: 171,439 km (0.12 R)
• M2: 701,464 km (0.082 R)
• M3: 1,468,602 km (0.037 R)
• M4: 2,946,629 km (0.072 R)
• M5: 3,406,194 km (0.088 R)
• M6: 4,011,467 km (0.07 R)
• M7: 5,024,992 km (0.044 R)
• M8: 5,500,265 km (0.097 R)
• M9: 7,109,938 km (0.039 R)
• M10: 10,413,807 km (0.106 R)
• M11: 12,162,008 km (0.083 R)
• M12: 13,023,392 km (0.065 R)
• M13: 16,946,596 km (0.057 R)
• M14: 20,831,354 km (0.105 R)
• M15: 22,064,489 km (0.106 R)
• M16: 26,409,410 km (0.08 R)
• M17: 27,034,878 km (0.069 R)
• M18: 29,827,871 km (0.086 R)
• M19: 31,994,796 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.4

Radius: 5.9

Gravity: 28.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 9.41 AU - 10.99 AU

Year: 21034 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,038,095 km

• M1: 73,453 km (0.108 R)
• M2: 277,953 km (0.036 R)
• M3: 592,258 km (0.115 R)
• M4: 1,334,263 km (0.108 R)
• M5: 1,923,529 km (0.076 R)
• M6: 2,499,481 km (0.119 R)
• M7: 4,258,752 km (0.085 R)
• M8: 4,878,387 km (0.113 R)
• M9: 5,983,316 km (0.109 R)
• M10: 7,196,106 km (0.085 R)
• M11: 7,548,858 km (0.1 R)
• M12: 8,960,763 km (0.061 R)
• M13: 13,318,100 km (0.108 R)
• M14: 15,282,170 km (0.106 R)
• M15: 15,613,380 km (0.119 R)
• M16: 16,898,276 km (0.105 R)
• M17: 18,813,279 km (0.113 R)
• M18: 19,970,269 km (0.1 R)
• M19: 23,834,980 km (0.06 R)
• M20: 27,678,149 km (0.12 R)
• M21: 30,457,678 km (0.099 R)
• M22: 31,914,761 km (0.113 R)
• M23: 34,967,455 km (0.083 R)
• M24: 44,943,539 km (0.084 R)
• M25: 52,991,605 km (0.095 R)
• M26: 54,708,839 km (0.114 R)
• M27: 61,322,561 km (0.079 R)
• M28: 70,713,418 km (0.055 R)
• M29: 72,793,127 km (0.096 R)
• M30: 87,182,946 km (0.025 R)
• M31: 87,974,768 km (0.105 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 15,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit