🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.2

Radius: 9.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.79 AU - 1.27 AU

Year: 709 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,548,307 km

• M1: 119,828 km (0.109 R)
• M2: 423,811 km (0.105 R)
• M3: 711,338 km (0.112 R)
• M4: 1,016,518 km (0.094 R)
• M5: 1,355,656 km (0.099 R)
• M6: 1,906,774 km (0.054 R)
• M7: 2,441,288 km (0.112 R)
• M8: 2,847,296 km (0.036 R)
• M9: 3,362,212 km (0.06 R)
• M10: 3,697,461 km (0.046 R)
• M11: 5,008,686 km (0.046 R)
• M12: 5,816,814 km (0.06 R)
• M13: 6,222,673 km (0.071 R)
• M14: 6,605,943 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 14

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.08 AU - 3.18 AU

Year: 3756 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,548,307 km

• M1: 174,282 km (0.066 R)
• M2: 721,062 km (0.071 R)
• M3: 1,175,390 km (0.044 R)
• M4: 1,764,058 km (0.116 R)
• M5: 2,275,982 km (0.048 R)
• M6: 2,735,846 km (0.08 R)
• M7: 3,394,974 km (0.086 R)
• M8: 4,098,832 km (0.062 R)
• M9: 4,635,140 km (0.108 R)
• M10: 6,642,295 km (0.112 R)
• M11: 7,839,527 km (0.103 R)
• M12: 8,408,597 km (0.12 R)
• M13: 9,559,154 km (0.106 R)
• M14: 10,320,757 km (0.113 R)
• M15: 11,883,307 km (0.066 R)
• M16: 14,989,407 km (0.087 R)
• M17: 16,936,873 km (0.063 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.1

Radius: 6.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.56 AU - 7.62 AU

Year: 11474 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,548,307 km

• M1: 81,381 km (0.093 R)
• M2: 545,733 km (0.117 R)
• M3: 945,608 km (0.116 R)
• M4: 2,579,815 km (0.08 R)
• M5: 3,167,436 km (0.038 R)
• M6: 4,888,858 km (0.086 R)
• M7: 8,479,955 km (0.117 R)
• M8: 10,078,857 km (0.084 R)
• M9: 11,607,149 km (0.097 R)
• M10: 22,273,477 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.6

Radius: 3.8

Gravity: 31.62 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.57 AU - 9.83 AU

Year: 20490 Days

Day: 24.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,548,307 km

• M1: 48,171 km (0.089 R)
• M2: 980,464 km (0.04 R)
• M3: 1,114,654 km (0.107 R)
• M4: 1,289,234 km (0.119 R)
• M5: 1,451,099 km (0.08 R)
• M6: 1,609,823 km (0.067 R)
• M7: 1,851,573 km (0.107 R)
• M8: 2,771,151 km (0.116 R)
• M9: 3,249,415 km (0.097 R)
• M10: 4,302,884 km (0.094 R)
• M11: 17,006,136 km (0.08 R)
• M12: 24,002,978 km (0.12 R)
• M13: 29,445,349 km (0.076 R)
• M14: 29,678,572 km (0.071 R)
• M15: 37,129,144 km (0.11 R)
• M16: 46,519,403 km (0.113 R)
• M17: 58,839,535 km (0.094 R)
• M18: 67,345,969 km (0.091 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: 478 - 15,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit