🌌 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: 873.2

Radius: 13.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.48 AU - 0.78 AU

Year: 345 Days

Day: 14.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,991,490 km

• M1: 167,849 km (0.043 R)
• M2: 708,496 km (0.111 R)
• M3: 1,167,611 km (0.078 R)
• M4: 1,724,714 km (0.11 R)
• M5: 2,403,439 km (0.118 R)
• M6: 2,862,106 km (0.098 R)
• M7: 3,795,747 km (0.097 R)
• M8: 4,368,258 km (0.102 R)
• M9: 5,164,717 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 10.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 7.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,991,490 km

• M1: 129,402 km (0.116 R)
• M2: 467,942 km (0.114 R)
• M3: 1,017,565 km (0.048 R)
• M4: 1,343,987 km (0.113 R)
• M5: 1,670,410 km (0.116 R)
• M6: 2,032,437 km (0.075 R)
• M7: 2,615,719 km (0.091 R)
• M8: 2,965,030 km (0.108 R)
• M9: 3,475,458 km (0.09 R)
• M10: 3,999,948 km (0.072 R)
• M11: 5,727,953 km (0.078 R)
• M12: 6,767,808 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.4

Radius: 9.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.56 AU - 2.78 AU

Year: 3011 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,991,490 km

• M1: 116,836 km (0.078 R)
• M2: 494,122 km (0.12 R)
• M3: 823,686 km (0.063 R)
• M4: 1,243,458 km (0.077 R)
• M5: 1,814,473 km (0.117 R)
• M6: 2,357,363 km (0.025 R)
• M7: 3,102,211 km (0.114 R)
• M8: 3,804,872 km (0.118 R)
• M9: 4,588,466 km (0.064 R)
• M10: 6,365,838 km (0.11 R)
• M11: 6,859,661 km (0.102 R)
• M12: 8,206,490 km (0.08 R)
• M13: 8,659,473 km (0.068 R)
• M14: 10,266,154 km (0.1 R)
• M15: 11,023,119 km (0.072 R)
• M16: 11,574,986 km (0.095 R)
• M17: 12,437,118 km (0.104 R)
• M18: 14,059,208 km (0.106 R)
• M19: 14,992,549 km (0.101 R)
• M20: 16,622,119 km (0.07 R)
• M21: 17,825,484 km (0.105 R)
• M22: 18,203,069 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.2

Radius: 7.9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.26 AU - 9.94 AU

Year: 15913 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,991,490 km

• M1: 98,286 km (0.088 R)
• M2: 429,645 km (0.118 R)
• M3: 1,592,320 km (0.057 R)
• M4: 3,238,495 km (0.112 R)
• M5: 4,298,695 km (0.116 R)
• M6: 5,363,233 km (0.068 R)
• M7: 6,674,010 km (0.098 R)
• M8: 7,169,029 km (0.079 R)
• M9: 10,125,831 km (0.097 R)
• M10: 12,353,194 km (0.063 R)
• M11: 14,819,165 km (0.102 R)
• M12: 17,984,806 km (0.05 R)
• M13: 19,269,702 km (0.073 R)
• M14: 20,272,606 km (0.025 R)
• M15: 22,291,579 km (0.038 R)
• M16: 23,867,293 km (0.055 R)
• M17: 26,015,070 km (0.072 R)
• M18: 26,724,612 km (0.07 R)
• M19: 28,182,294 km (0.11 R)
• M20: 30,691,050 km (0.071 R)
• M21: 33,226,435 km (0.108 R)
• M22: 43,338,354 km (0.088 R)
• M23: 44,911,525 km (0.105 R)
• M24: 48,780,425 km (0.083 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 403 - 15,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit