🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 13.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.17 AU - 1.77 AU

Year: 1209 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,879,733 km

• M1: 169,195 km (0.088 R)
• M2: 592,707 km (0.063 R)
• M3: 1,028,037 km (0.077 R)
• M4: 1,510,789 km (0.07 R)
• M5: 2,008,501 km (0.111 R)
• M6: 2,467,318 km (0.111 R)
• M7: 3,543,525 km (0.114 R)
• M8: 4,575,152 km (0.116 R)
• M9: 6,130,371 km (0.12 R)
• M10: 6,630,626 km (0.096 R)
• M11: 8,167,894 km (0.067 R)
• M12: 8,774,663 km (0.12 R)
• M13: 9,214,630 km (0.104 R)
• M14: 9,902,033 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 12.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.33 AU - 2.37 AU

Year: 2443 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,879,733 km

• M1: 151,393 km (0.072 R)
• M2: 561,441 km (0.044 R)
• M3: 1,311,076 km (0.082 R)
• M4: 1,833,621 km (0.111 R)
• M5: 3,068,103 km (0.114 R)
• M6: 3,819,383 km (0.097 R)
• M7: 5,227,847 km (0.106 R)
• M8: 6,025,802 km (0.094 R)
• M9: 10,654,360 km (0.061 R)
• M10: 14,849,384 km (0.116 R)
• M11: 15,400,652 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 8.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.99 AU - 5.15 AU

Year: 7743 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,879,733 km

• M1: 108,907 km (0.095 R)
• M2: 515,365 km (0.092 R)
• M3: 1,798,166 km (0.104 R)
• M4: 2,173,507 km (0.039 R)
• M5: 3,137,965 km (0.116 R)
• M6: 3,685,194 km (0.096 R)
• M7: 5,603,188 km (0.106 R)
• M8: 6,141,890 km (0.079 R)
• M9: 6,652,767 km (0.083 R)
• M10: 8,001,841 km (0.114 R)
• M11: 10,416,949 km (0.073 R)
• M12: 11,275,640 km (0.08 R)
• M13: 17,034,111 km (0.088 R)
• M14: 17,563,089 km (0.058 R)
• M15: 20,570,754 km (0.084 R)
• M16: 22,756,529 km (0.034 R)
• M17: 24,198,652 km (0.079 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.7

Radius: 5.6

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.33 AU - 8.15 AU

Year: 13213 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,879,733 km

• M1: 69,713 km (0.081 R)
• M2: 356,492 km (0.104 R)
• M3: 722,857 km (0.116 R)
• M4: 977,622 km (0.106 R)
• M5: 2,588,193 km (0.09 R)
• M6: 3,803,825 km (0.067 R)
• M7: 5,648,516 km (0.12 R)
• M8: 8,700,313 km (0.085 R)
• M9: 8,876,689 km (0.067 R)
• M10: 10,228,306 km (0.085 R)
• M11: 10,424,877 km (0.11 R)
• M12: 12,365,162 km (0.05 R)
• M13: 14,166,021 km (0.061 R)
• M14: 15,805,613 km (0.12 R)
• M15: 18,278,765 km (0.109 R)
• M16: 20,140,511 km (0.047 R)
• M17: 21,718,170 km (0.067 R)
• M18: 22,870,223 km (0.089 R)
• M19: 24,149,285 km (0.091 R)
• M20: 27,506,860 km (0.12 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 10,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit