🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.2

Radius: 12.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.42 AU - 0.64 AU

Year: 266 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,776,007 km

• M1: 150,495 km (0.083 R)
• M2: 634,744 km (0.032 R)
• M3: 1,026,541 km (0.102 R)
• M4: 1,417,440 km (0.112 R)
• M5: 1,937,292 km (0.07 R)
• M6: 2,379,205 km (0.04 R)
• M7: 2,825,455 km (0.05 R)
• M8: 3,208,725 km (0.107 R)
• M9: 3,702,099 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.1

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.86 AU - 0.98 AU

Year: 609 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,776,007 km

• M1: 155,731 km (0.087 R)
• M2: 633,248 km (0.067 R)
• M3: 1,033,871 km (0.112 R)
• M4: 1,501,364 km (0.12 R)
• M5: 1,893,311 km (0.077 R)
• M6: 2,628,435 km (0.099 R)
• M7: 3,114,628 km (0.077 R)
• M8: 3,896,576 km (0.073 R)
• M9: 4,591,907 km (0.094 R)
• M10: 5,520,311 km (0.068 R)
• M11: 5,939,484 km (0.099 R)
• M12: 6,398,899 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 10.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.86 AU - 5.78 AU

Year: 8470 Days

Day: 9.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,776,007 km

• M1: 133,292 km (0.12 R)
• M2: 595,100 km (0.083 R)
• M3: 1,242,859 km (0.062 R)
• M4: 2,148,225 km (0.104 R)
• M5: 2,571,139 km (0.088 R)
• M6: 3,028,459 km (0.09 R)
• M7: 3,828,808 km (0.11 R)
• M8: 5,489,643 km (0.029 R)
• M9: 6,533,537 km (0.082 R)
• M10: 7,008,810 km (0.049 R)
• M11: 8,194,074 km (0.114 R)
• M12: 9,100,188 km (0.034 R)
• M13: 9,508,441 km (0.119 R)
• M14: 10,756,835 km (0.109 R)
• M15: 11,162,245 km (0.08 R)
• M16: 11,736,103 km (0.093 R)
• M17: 14,843,849 km (0.106 R)
• M18: 15,860,965 km (0.069 R)
• M19: 16,788,621 km (0.033 R)
• M20: 18,970,656 km (0.095 R)
• M21: 19,939,751 km (0.103 R)
• M22: 21,976,376 km (0.04 R)
• M23: 24,844,018 km (0.107 R)
• M24: 25,643,020 km (0.102 R)
• M25: 30,801,005 km (0.054 R)
• M26: 35,484,316 km (0.096 R)
• M27: 38,228,838 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42

Radius: 5.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.5 AU - 9.08 AU

Year: 15008 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,776,007 km

• M1: 65,374 km (0.084 R)
• M2: 290,220 km (0.028 R)
• M3: 1,061,846 km (0.062 R)
• M4: 4,617,039 km (0.099 R)
• M5: 7,664,497 km (0.115 R)
• M6: 8,650,048 km (0.083 R)
• M7: 8,834,652 km (0.105 R)
• M8: 12,481,100 km (0.105 R)
• M9: 18,871,173 km (0.106 R)
• M10: 22,548,289 km (0.057 R)
• M11: 22,898,198 km (0.095 R)
• M12: 24,701,900 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 19,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit