🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.8

Radius: 14.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 12.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,036,167 km

• M1: 176,675 km (0.1 R)
• M2: 645,664 km (0.093 R)
• M3: 1,115,103 km (0.095 R)
• M4: 1,818,811 km (0.106 R)
• M5: 2,380,401 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.6

Radius: 14.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.29 AU - 1.85 AU

Year: 1312 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,036,167 km

• M1: 179,069 km (0.057 R)
• M2: 649,404 km (0.086 R)
• M3: 1,295,518 km (0.076 R)
• M4: 2,360,804 km (0.069 R)
• M5: 6,206,816 km (0.064 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.4

Radius: 5.7

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.95 AU - 7.15 AU

Year: 12483 Days

Day: 24.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,036,167 km

• M1: 70,909 km (0.108 R)
• M2: 310,864 km (0.054 R)
• M3: 520,152 km (0.09 R)
• M4: 755,918 km (0.12 R)
• M5: 938,427 km (0.115 R)
• M6: 1,232,836 km (0.076 R)
• M7: 2,597,468 km (0.091 R)
• M8: 2,803,913 km (0.094 R)
• M9: 3,249,864 km (0.054 R)
• M10: 3,819,982 km (0.103 R)
• M11: 4,512,620 km (0.093 R)
• M12: 4,720,710 km (0.083 R)
• M13: 5,483,660 km (0.088 R)
• M14: 5,824,743 km (0.112 R)
• M15: 10,564,602 km (0.049 R)
• M16: 13,200,516 km (0.091 R)
• M17: 13,382,278 km (0.091 R)
• M18: 14,637,404 km (0.066 R)
• M19: 14,832,180 km (0.076 R)
• M20: 16,453,372 km (0.101 R)
• M21: 17,306,678 km (0.119 R)
• M22: 20,607,107 km (0.06 R)
• M23: 22,620,245 km (0.094 R)
• M24: 27,228,009 km (0.076 R)
• M25: 32,095,326 km (0.074 R)
• M26: 37,149,190 km (0.114 R)
• M27: 38,244,396 km (0.046 R)
• M28: 45,547,166 km (0.106 R)
• M29: 46,942,017 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.6

Radius: 7.5

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.73 AU - 10.53 AU

Year: 19928 Days

Day: 19.5 Hours

Environment

Temp: -244 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,036,167 km

• M1: 93,798 km (0.105 R)
• M2: 419,472 km (0.114 R)
• M3: 749,186 km (0.1 R)
• M4: 2,317,421 km (0.092 R)
• M5: 3,600,970 km (0.057 R)
• M6: 5,850,025 km (0.033 R)
• M7: 6,876,266 km (0.118 R)
• M8: 11,289,703 km (0.065 R)
• M9: 13,931,601 km (0.09 R)
• M10: 15,512,402 km (0.084 R)
• M11: 24,278,687 km (0.117 R)
• M12: 25,238,956 km (0.072 R)
• M13: 27,121,346 km (0.104 R)
• M14: 30,791,431 km (0.083 R)
• M15: 31,287,946 km (0.074 R)
• M16: 32,552,497 km (0.101 R)
• M17: 38,379,483 km (0.075 R)
• M18: 41,162,004 km (0.063 R)
• M19: 45,663,852 km (0.083 R)
• M20: 46,471,831 km (0.063 R)
• M21: 57,110,334 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 17,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit