🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.43 AU - 0.67 AU

Year: 268 Days

Day: 40.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,812,783 km

• M1: 57,146 km (0.119 R)

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 13.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.41 AU - 2.03 AU

Year: 1480 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,812,783 km

• M1: 167,998 km (0.115 R)
• M2: 795,262 km (0.109 R)
• M3: 1,229,545 km (0.098 R)
• M4: 1,828,535 km (0.083 R)
• M5: 2,353,623 km (0.094 R)
• M6: 3,373,432 km (0.115 R)
• M7: 4,466,095 km (0.088 R)
• M8: 5,450,299 km (0.109 R)
• M9: 7,226,624 km (0.108 R)
• M10: 8,687,148 km (0.076 R)
• M11: 9,197,127 km (0.08 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289

Radius: 4.5

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.03 AU - 7.41 AU

Year: 10176 Days

Day: 15.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,812,783 km

• M1: 56,249 km (0.085 R)
• M2: 196,572 km (0.112 R)
• M3: 342,130 km (0.118 R)
• M4: 739,462 km (0.077 R)
• M5: 960,119 km (0.07 R)
• M6: 1,127,370 km (0.078 R)
• M7: 2,177,247 km (0.106 R)
• M8: 3,128,391 km (0.091 R)
• M9: 3,431,925 km (0.088 R)
• M10: 3,754,607 km (0.118 R)
• M11: 5,838,207 km (0.072 R)
• M12: 7,068,649 km (0.067 R)
• M13: 8,879,681 km (0.105 R)
• M14: 11,424,490 km (0.037 R)
• M15: 11,882,559 km (0.082 R)
• M16: 20,447,935 km (0.098 R)
• M17: 22,437,287 km (0.11 R)
• M18: 31,488,257 km (0.1 R)
• M19: 32,286,512 km (0.107 R)
• M20: 35,400,092 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.7

Radius: 6.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.32 AU - 7.28 AU

Year: 11632 Days

Day: 22.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,812,783 km

• M1: 85,420 km (0.047 R)
• M2: 864,077 km (0.108 R)
• M3: 1,262,756 km (0.054 R)
• M4: 1,890,618 km (0.116 R)
• M5: 2,618,112 km (0.033 R)
• M6: 5,634,005 km (0.108 R)
• M7: 8,517,205 km (0.081 R)
• M8: 12,412,285 km (0.057 R)
• M9: 13,476,075 km (0.096 R)
• M10: 15,844,658 km (0.12 R)
• M11: 20,578,833 km (0.051 R)
• M12: 21,687,203 km (0.056 R)
• M13: 22,294,271 km (0.082 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 19,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit