🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 9.5

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.65 AU - 1.03 AU

Year: 541 Days

Day: 5.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,651,307 km

• M1: 118,182 km (0.077 R)
• M2: 432,188 km (0.091 R)
• M3: 731,534 km (0.078 R)
• M4: 1,487,152 km (0.117 R)
• M5: 1,842,747 km (0.081 R)
• M6: 2,382,496 km (0.078 R)
• M7: 2,954,259 km (0.08 R)
• M8: 3,973,768 km (0.101 R)
• M9: 4,860,285 km (0.111 R)
• M10: 5,580,749 km (0.117 R)
• M11: 6,529,349 km (0.102 R)
• M12: 6,834,080 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 9.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.65 AU - 4.61 AU

Year: 5900 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,651,307 km

• M1: 121,773 km (0.115 R)
• M2: 583,432 km (0.118 R)
• M3: 962,961 km (0.087 R)
• M4: 1,485,058 km (0.081 R)
• M5: 2,948,125 km (0.097 R)
• M6: 5,759,368 km (0.095 R)
• M7: 9,181,121 km (0.093 R)
• M8: 13,198,571 km (0.11 R)
• M9: 14,347,483 km (0.11 R)
• M10: 15,335,876 km (0.059 R)
• M11: 18,766,006 km (0.102 R)
• M12: 26,284,346 km (0.097 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.9

Radius: 8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.44 AU - 8.8 AU

Year: 13355 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,651,307 km

• M1: 104,719 km (0.037 R)
• M2: 510,727 km (0.04 R)
• M3: 1,048,531 km (0.117 R)
• M4: 1,781,711 km (0.114 R)
• M5: 2,633,970 km (0.077 R)
• M6: 3,818,486 km (0.053 R)
• M7: 4,237,060 km (0.082 R)
• M8: 5,011,080 km (0.114 R)
• M9: 5,961,924 km (0.051 R)
• M10: 10,304,601 km (0.068 R)
• M11: 14,166,918 km (0.046 R)
• M12: 14,901,593 km (0.099 R)
• M13: 15,939,055 km (0.073 R)
• M14: 20,243,434 km (0.076 R)
• M15: 25,646,760 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.1

Radius: 3.2

Gravity: 47.96 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.89 AU - 8.89 AU

Year: 15578 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,651,307 km

• M1: 47,423 km (0.076 R)
• M2: 194,477 km (0.071 R)
• M3: 550,819 km (0.031 R)
• M4: 846,275 km (0.111 R)
• M5: 1,017,714 km (0.101 R)
• M6: 6,653,066 km (0.116 R)
• M7: 7,682,000 km (0.104 R)
• M8: 9,782,654 km (0.067 R)
• M9: 11,692,420 km (0.062 R)
• M10: 15,788,410 km (0.088 R)
• M11: 17,679,476 km (0.094 R)
• M12: 23,385,289 km (0.068 R)
• M13: 24,932,580 km (0.102 R)
• M14: 33,459,808 km (0.094 R)
• M15: 33,580,234 km (0.077 R)
• M16: 40,517,386 km (0.095 R)
• M17: 42,601,135 km (0.062 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 17,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit