🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 10.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.64 AU - 1 AU

Year: 472 Days

Day: 7.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,825,145 km

• M1: 127,308 km (0.093 R)
• M2: 470,934 km (0.067 R)
• M3: 850,613 km (0.111 R)
• M4: 1,258,118 km (0.104 R)
• M5: 1,639,144 km (0.106 R)
• M6: 2,071,482 km (0.092 R)
• M7: 2,394,912 km (0.105 R)
• M8: 2,731,657 km (0.06 R)
• M9: 3,308,656 km (0.108 R)
• M10: 4,645,911 km (0.068 R)
• M11: 5,109,964 km (0.111 R)
• M12: 6,040,912 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.2

Radius: 11.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.31 AU - 1.91 AU

Year: 1299 Days

Day: 7.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,825,145 km

• M1: 147,952 km (0.116 R)
• M2: 522,097 km (0.056 R)
• M3: 951,293 km (0.096 R)
• M4: 1,585,289 km (0.09 R)
• M5: 1,990,549 km (0.105 R)
• M6: 2,708,170 km (0.1 R)
• M7: 3,102,959 km (0.115 R)
• M8: 3,522,731 km (0.115 R)
• M9: 3,920,960 km (0.086 R)
• M10: 4,526,233 km (0.083 R)
• M11: 6,003,213 km (0.098 R)
• M12: 6,744,620 km (0.1 R)
• M13: 7,803,175 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 14.3

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.01 AU - 2.49 AU

Year: 2146 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,825,145 km

• M1: 177,872 km (0.084 R)
• M2: 1,096,552 km (0.053 R)
• M3: 1,845,140 km (0.111 R)
• M4: 2,337,616 km (0.108 R)
• M5: 3,952,376 km (0.094 R)
• M6: 5,265,546 km (0.075 R)
• M7: 5,754,432 km (0.035 R)
• M8: 6,462,778 km (0.114 R)
• M9: 8,054,349 km (0.067 R)
• M10: 8,772,868 km (0.082 R)
• M11: 10,873,970 km (0.101 R)
• M12: 11,670,878 km (0.118 R)
• M13: 14,250,244 km (0.12 R)
• M14: 15,253,896 km (0.078 R)
• M15: 17,670,650 km (0.114 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.1

Radius: 6.9

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.1 AU - 6.9 AU

Year: 10537 Days

Day: 16.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,825,145 km

• M1: 91,255 km (0.046 R)
• M2: 384,467 km (0.096 R)
• M3: 865,723 km (0.083 R)
• M4: 1,455,138 km (0.106 R)
• M5: 4,125,460 km (0.097 R)
• M6: 5,442,371 km (0.07 R)
• M7: 6,400,246 km (0.111 R)
• M8: 6,627,485 km (0.105 R)
• M9: 7,383,104 km (0.045 R)
• M10: 10,719,136 km (0.031 R)
• M11: 11,645,596 km (0.084 R)
• M12: 11,871,189 km (0.106 R)
• M13: 12,922,563 km (0.1 R)
• M14: 20,730,076 km (0.098 R)
• M15: 29,807,077 km (0.115 R)
• M16: 31,521,319 km (0.082 R)
• M17: 31,740,180 km (0.062 R)
• M18: 33,527,276 km (0.11 R)
• M19: 38,286,583 km (0.103 R)
• M20: 44,568,946 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit