🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 13.2

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,220,374 km

• M1: 164,109 km (0.093 R)
• M2: 610,958 km (0.071 R)
• M3: 1,042,548 km (0.114 R)
• M4: 1,770,940 km (0.113 R)
• M5: 2,276,730 km (0.062 R)
• M6: 2,771,450 km (0.099 R)
• M7: 3,393,179 km (0.074 R)
• M8: 4,459,363 km (0.118 R)
• M9: 4,947,052 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 12.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.42 AU - 2.14 AU

Year: 1558 Days

Day: 14.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,220,374 km

• M1: 156,928 km (0.12 R)
• M2: 621,579 km (0.111 R)
• M3: 1,323,492 km (0.078 R)
• M4: 1,924,128 km (0.073 R)
• M5: 2,324,003 km (0.112 R)
• M6: 2,954,259 km (0.093 R)
• M7: 3,975,414 km (0.08 R)
• M8: 5,098,146 km (0.112 R)
• M9: 6,031,637 km (0.091 R)
• M10: 8,834,502 km (0.07 R)
• M11: 9,308,877 km (0.088 R)
• M12: 9,768,891 km (0.045 R)
• M13: 10,308,640 km (0.086 R)
• M14: 11,104,500 km (0.099 R)
• M15: 12,084,366 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 12.2

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.7 AU - 3.98 AU

Year: 4004 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 15,220,374 km

• M1: 165,455 km (0.05 R)
• M2: 645,814 km (0.048 R)
• M3: 1,079,498 km (0.056 R)
• M4: 1,768,396 km (0.04 R)
• M5: 2,411,069 km (0.083 R)
• M6: 2,842,958 km (0.113 R)
• M7: 3,344,410 km (0.112 R)
• M8: 3,749,072 km (0.086 R)
• M9: 4,228,234 km (0.096 R)
• M10: 5,683,971 km (0.119 R)
• M11: 6,512,444 km (0.117 R)
• M12: 7,000,133 km (0.12 R)
• M13: 7,511,907 km (0.096 R)
• M14: 8,211,427 km (0.09 R)
• M15: 8,781,395 km (0.085 R)
• M16: 9,851,469 km (0.079 R)
• M17: 11,329,496 km (0.091 R)
• M18: 12,684,703 km (0.078 R)
• M19: 15,714,957 km (0.109 R)
• M20: 16,332,647 km (0.111 R)
• M21: 16,806,423 km (0.075 R)
• M22: 18,114,956 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 10.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.12 AU - 4.86 AU

Year: 6241 Days

Day: 11.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,220,374 km

• M1: 132,544 km (0.099 R)
• M2: 902,374 km (0.097 R)
• M3: 1,348,326 km (0.089 R)
• M4: 2,017,926 km (0.117 R)
• M5: 2,378,157 km (0.081 R)
• M6: 2,739,287 km (0.11 R)
• M7: 3,904,654 km (0.1 R)
• M8: 4,609,260 km (0.069 R)
• M9: 5,067,029 km (0.112 R)
• M10: 6,966,773 km (0.097 R)
• M11: 10,067,638 km (0.114 R)
• M12: 10,732,899 km (0.092 R)
• M13: 11,766,471 km (0.085 R)
• M14: 13,150,251 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit