🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.7

Radius: 13.5

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.8 AU - 1.16 AU

Year: 647 Days

Day: 12.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,359,144 km

• M1: 173,833 km (0.079 R)
• M2: 671,994 km (0.08 R)
• M3: 1,111,961 km (0.111 R)
• M4: 1,539,212 km (0.119 R)
• M5: 2,345,395 km (0.096 R)
• M6: 2,805,110 km (0.108 R)
• M7: 3,279,634 km (0.047 R)
• M8: 3,745,033 km (0.116 R)
• M9: 4,364,967 km (0.105 R)
• M10: 4,870,458 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311

Radius: 12

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.78 AU - 1.24 AU

Year: 677 Days

Day: 7.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,359,144 km

• M1: 149,299 km (0.081 R)
• M2: 522,695 km (0.11 R)
• M3: 993,479 km (0.101 R)
• M4: 1,445,115 km (0.114 R)
• M5: 1,944,623 km (0.102 R)
• M6: 2,607,640 km (0.098 R)
• M7: 3,003,925 km (0.093 R)
• M8: 3,738,152 km (0.119 R)
• M9: 4,134,736 km (0.119 R)
• M10: 5,430,702 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 11.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.15 AU - 1.23 AU

Year: 866 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,359,144 km

• M1: 146,756 km (0.068 R)
• M2: 1,012,628 km (0.084 R)
• M3: 1,636,302 km (0.112 R)
• M4: 2,121,896 km (0.067 R)
• M5: 3,079,921 km (0.047 R)
• M6: 3,526,919 km (0.038 R)
• M7: 4,004,585 km (0.111 R)
• M8: 4,882,127 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.2

Radius: 7.2

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.79 AU - 11.87 AU

Year: 23767 Days

Day: 20.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,359,144 km

• M1: 91,853 km (0.119 R)
• M2: 359,334 km (0.032 R)
• M3: 660,325 km (0.088 R)
• M4: 1,488,050 km (0.086 R)
• M5: 2,486,317 km (0.066 R)
• M6: 2,929,874 km (0.116 R)
• M7: 3,394,226 km (0.107 R)
• M8: 4,042,733 km (0.095 R)
• M9: 4,887,213 km (0.108 R)
• M10: 7,479,744 km (0.079 R)
• M11: 8,290,116 km (0.083 R)
• M12: 8,745,641 km (0.112 R)
• M13: 10,341,850 km (0.098 R)
• M14: 10,937,100 km (0.069 R)
• M15: 11,485,077 km (0.042 R)
• M16: 13,392,899 km (0.095 R)
• M17: 15,248,511 km (0.106 R)
• M18: 15,502,528 km (0.063 R)
• M19: 20,266,173 km (0.108 R)
• M20: 21,092,402 km (0.103 R)
• M21: 22,592,121 km (0.092 R)
• M22: 25,682,663 km (0.111 R)
• M23: 29,173,679 km (0.1 R)
• M24: 31,577,717 km (0.109 R)
• M25: 36,021,970 km (0.12 R)
• M26: 38,942,420 km (0.062 R)
• M27: 40,703,337 km (0.075 R)
• M28: 48,643,992 km (0.085 R)
• M29: 50,309,614 km (0.069 R)
• M30: 55,334,457 km (0.12 R)
• M31: 67,272,666 km (0.082 R)
• M32: 70,036,338 km (0.09 R)
• M33: 71,920,373 km (0.027 R)
• M34: 73,596,318 km (0.057 R)
• M35: 76,529,783 km (0.063 R)
• M36: 83,675,624 km (0.049 R)
• M37: 84,466,698 km (0.098 R)
• M38: 92,091,701 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 12,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit