🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.9

Radius: 11.8

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.67 AU - 0.83 AU

Year: 426 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,113,965 km

• M1: 146,756 km (0.099 R)
• M2: 567,126 km (0.077 R)
• M3: 954,584 km (0.109 R)
• M4: 1,479,523 km (0.115 R)
• M5: 2,027,350 km (0.107 R)
• M6: 2,676,755 km (0.106 R)
• M7: 3,995,161 km (0.104 R)
• M8: 4,798,651 km (0.11 R)
• M9: 5,214,533 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.2

Radius: 12.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.93 AU - 2.67 AU

Year: 2288 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,113,965 km

• M1: 160,519 km (0.108 R)
• M2: 780,153 km (0.093 R)
• M3: 1,894,358 km (0.113 R)
• M4: 2,557,376 km (0.088 R)
• M5: 3,262,430 km (0.107 R)
• M6: 3,933,975 km (0.079 R)
• M7: 4,463,252 km (0.069 R)
• M8: 5,357,399 km (0.073 R)
• M9: 5,916,446 km (0.092 R)
• M10: 6,342,950 km (0.118 R)
• M11: 7,527,316 km (0.073 R)
• M12: 8,405,306 km (0.064 R)
• M13: 12,267,773 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 10.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.74 AU - 5.88 AU

Year: 8027 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,113,965 km

• M1: 132,544 km (0.092 R)
• M2: 670,946 km (0.083 R)
• M3: 1,413,849 km (0.079 R)
• M4: 1,877,453 km (0.094 R)
• M5: 3,529,762 km (0.101 R)
• M6: 4,106,910 km (0.093 R)
• M7: 5,763,707 km (0.096 R)
• M8: 6,189,163 km (0.115 R)
• M9: 6,848,890 km (0.052 R)
• M10: 7,440,101 km (0.049 R)
• M11: 8,349,356 km (0.12 R)
• M12: 9,509,338 km (0.103 R)
• M13: 9,919,087 km (0.079 R)
• M14: 11,370,336 km (0.047 R)
• M15: 13,462,612 km (0.037 R)
• M16: 13,863,534 km (0.083 R)
• M17: 14,509,946 km (0.075 R)
• M18: 15,926,189 km (0.115 R)
• M19: 19,610,336 km (0.115 R)
• M20: 20,425,046 km (0.053 R)
• M21: 21,963,660 km (0.068 R)
• M22: 22,360,095 km (0.067 R)
• M23: 26,771,287 km (0.07 R)
• M24: 29,085,267 km (0.04 R)
• M25: 32,135,717 km (0.12 R)
• M26: 35,719,783 km (0.108 R)
• M27: 36,158,254 km (0.12 R)
• M28: 37,948,043 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.2

Radius: 5.8

Gravity: 15.97 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.77 AU - 10.23 AU

Year: 16257 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,113,965 km

• M1: 72,106 km (0.055 R)
• M2: 678,726 km (0.107 R)
• M3: 1,530,237 km (0.079 R)
• M4: 1,838,408 km (0.119 R)
• M5: 3,016,043 km (0.091 R)
• M6: 3,448,081 km (0.096 R)
• M7: 4,594,599 km (0.085 R)
• M8: 5,524,051 km (0.091 R)
• M9: 6,614,171 km (0.098 R)
• M10: 6,822,860 km (0.046 R)
• M11: 8,074,545 km (0.044 R)
• M12: 12,995,268 km (0.096 R)
• M13: 15,775,694 km (0.118 R)
• M14: 21,279,848 km (0.032 R)
• M15: 25,312,558 km (0.089 R)
• M16: 29,039,639 km (0.085 R)
• M17: 34,723,311 km (0.102 R)
• M18: 40,825,409 km (0.098 R)
• M19: 45,018,038 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 14,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit