🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.6

Radius: 14.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 13.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,864,067 km

• M1: 175,329 km (0.063 R)
• M2: 736,620 km (0.092 R)
• M3: 1,189,752 km (0.072 R)
• M4: 1,628,223 km (0.107 R)
• M5: 2,198,939 km (0.094 R)
• M6: 2,825,006 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 14.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.79 AU - 2.41 AU

Year: 2029 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,864,067 km

• M1: 181,612 km (0.057 R)
• M2: 657,931 km (0.07 R)
• M3: 1,429,557 km (0.101 R)
• M4: 2,791,646 km (0.043 R)
• M5: 4,210,881 km (0.093 R)
• M6: 4,710,239 km (0.107 R)
• M7: 5,269,286 km (0.118 R)
• M8: 5,744,109 km (0.104 R)
• M9: 6,852,181 km (0.061 R)
• M10: 7,572,495 km (0.117 R)
• M11: 8,425,502 km (0.066 R)
• M12: 9,732,538 km (0.116 R)
• M13: 10,228,605 km (0.07 R)
• M14: 10,872,474 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.5

Radius: 3.9

Gravity: 30.08 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.15 AU - 9.45 AU

Year: 15946 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,864,067 km

• M1: 49,966 km (0.116 R)
• M2: 182,958 km (0.042 R)
• M3: 608,415 km (0.091 R)
• M4: 1,685,669 km (0.102 R)
• M5: 5,646,422 km (0.12 R)
• M6: 7,583,565 km (0.106 R)
• M7: 11,903,353 km (0.071 R)
• M8: 13,274,717 km (0.058 R)
• M9: 13,732,187 km (0.068 R)
• M10: 15,097,417 km (0.107 R)
• M11: 17,621,283 km (0.106 R)
• M12: 18,494,486 km (0.096 R)
• M13: 19,147,331 km (0.097 R)
• M14: 25,429,244 km (0.119 R)
• M15: 26,852,070 km (0.109 R)
• M16: 29,084,668 km (0.08 R)
• M17: 31,208,360 km (0.067 R)
• M18: 35,636,457 km (0.087 R)
• M19: 48,575,027 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.1

Radius: 6.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.8 AU - 12.34 AU

Year: 22916 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,864,067 km

• M1: 94,247 km (0.119 R)
• M2: 529,128 km (0.072 R)
• M3: 3,550,556 km (0.114 R)
• M4: 4,805,532 km (0.119 R)
• M5: 5,460,771 km (0.119 R)
• M6: 6,213,248 km (0.098 R)
• M7: 7,205,082 km (0.11 R)
• M8: 10,982,428 km (0.086 R)
• M9: 12,614,392 km (0.119 R)
• M10: 14,470,901 km (0.075 R)
• M11: 16,502,440 km (0.118 R)
• M12: 16,884,214 km (0.116 R)
• M13: 19,894,722 km (0.094 R)
• M14: 21,662,370 km (0.067 R)
• M15: 22,960,431 km (0.097 R)
• M16: 24,309,355 km (0.105 R)
• M17: 27,164,430 km (0.114 R)
• M18: 27,589,737 km (0.106 R)
• M19: 32,565,661 km (0.114 R)
• M20: 33,408,645 km (0.072 R)
• M21: 59,506,143 km (0.115 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: 211 - 19,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit