🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 12.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.49 AU - 0.65 AU

Year: 297 Days

Day: 9.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,003,416 km

• M1: 150,495 km (0.083 R)
• M2: 632,051 km (0.088 R)
• M3: 1,151,006 km (0.093 R)
• M4: 1,846,487 km (0.094 R)
• M5: 2,388,031 km (0.092 R)
• M6: 3,004,972 km (0.108 R)
• M7: 3,851,248 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 8.8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,003,416 km

• M1: 111,450 km (0.073 R)
• M2: 394,190 km (0.119 R)
• M3: 692,040 km (0.116 R)
• M4: 983,756 km (0.051 R)
• M5: 1,285,794 km (0.114 R)
• M6: 1,759,121 km (0.05 R)
• M7: 2,138,950 km (0.093 R)
• M8: 2,439,642 km (0.083 R)
• M9: 3,014,397 km (0.107 R)
• M10: 4,186,646 km (0.092 R)
• M11: 4,538,799 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.5

Radius: 13

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.2 AU - 1.72 AU

Year: 1218 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,003,416 km

• M1: 161,865 km (0.116 R)
• M2: 570,865 km (0.068 R)
• M3: 1,220,270 km (0.077 R)
• M4: 1,725,761 km (0.117 R)
• M5: 2,159,595 km (0.112 R)
• M6: 2,608,239 km (0.073 R)
• M7: 3,392,581 km (0.102 R)
• M8: 3,894,930 km (0.09 R)
• M9: 5,450,299 km (0.096 R)
• M10: 7,581,022 km (0.099 R)
• M11: 8,314,051 km (0.112 R)
• M12: 9,862,988 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.7

Radius: 3.1

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.92 AU - 9.32 AU

Year: 14519 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,003,416 km

• M1: 38,596 km (0.095 R)
• M2: 234,569 km (0.102 R)
• M3: 416,331 km (0.107 R)
• M4: 580,589 km (0.106 R)
• M5: 723,156 km (0.068 R)
• M6: 980,764 km (0.08 R)
• M7: 1,688,661 km (0.093 R)
• M8: 2,106,936 km (0.104 R)
• M9: 2,375,016 km (0.066 R)
• M10: 2,627,687 km (0.1 R)
• M11: 3,631,339 km (0.056 R)
• M12: 4,951,091 km (0.067 R)
• M13: 5,639,092 km (0.101 R)
• M14: 6,490,902 km (0.098 R)
• M15: 7,768,169 km (0.114 R)
• M16: 8,282,486 km (0.051 R)
• M17: 8,527,378 km (0.042 R)
• M18: 9,334,608 km (0.111 R)
• M19: 9,869,869 km (0.043 R)
• M20: 10,191,505 km (0.112 R)
• M21: 11,001,427 km (0.11 R)
• M22: 12,059,982 km (0.093 R)
• M23: 13,744,005 km (0.097 R)
• M24: 14,377,253 km (0.105 R)
• M25: 14,671,512 km (0.11 R)
• M26: 14,909,821 km (0.06 R)
• M27: 15,640,009 km (0.118 R)
• M28: 15,764,025 km (0.049 R)
• M29: 18,660,539 km (0.086 R)
• M30: 18,940,138 km (0.117 R)
• M31: 20,380,616 km (0.032 R)
• M32: 31,069,084 km (0.107 R)
• M33: 31,957,546 km (0.068 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 10,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit