🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.6

Radius: 10.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.84 AU - 0.88 AU

Year: 507 Days

Day: 6.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,294,371 km

• M1: 133,292 km (0.093 R)
• M2: 661,223 km (0.065 R)
• M3: 1,060,499 km (0.111 R)
• M4: 1,697,786 km (0.059 R)
• M5: 2,224,969 km (0.048 R)
• M6: 2,828,597 km (0.086 R)
• M7: 3,252,108 km (0.062 R)
• M8: 3,609,348 km (0.067 R)
• M9: 4,005,633 km (0.064 R)
• M10: 4,348,960 km (0.116 R)
• M11: 4,769,479 km (0.095 R)
• M12: 5,155,891 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 14.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.9 AU - 1.42 AU

Year: 794 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,294,371 km

• M1: 184,005 km (0.059 R)
• M2: 803,789 km (0.097 R)
• M3: 1,289,833 km (0.04 R)
• M4: 1,924,726 km (0.086 R)
• M5: 2,556,777 km (0.081 R)
• M6: 3,126,446 km (0.078 R)
• M7: 3,721,696 km (0.063 R)
• M8: 4,293,908 km (0.063 R)
• M9: 4,960,516 km (0.084 R)
• M10: 5,500,415 km (0.089 R)
• M11: 8,066,018 km (0.057 R)
• M12: 8,736,216 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 9.2

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.83 AU - 2.35 AU

Year: 1921 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,294,371 km

• M1: 114,442 km (0.103 R)
• M2: 552,764 km (0.12 R)
• M3: 843,433 km (0.055 R)
• M4: 1,130,362 km (0.068 R)
• M5: 1,531,134 km (0.109 R)
• M6: 1,856,809 km (0.088 R)
• M7: 3,366,700 km (0.045 R)
• M8: 3,924,102 km (0.081 R)
• M9: 4,225,242 km (0.118 R)
• M10: 4,582,482 km (0.03 R)
• M11: 4,916,983 km (0.11 R)
• M12: 5,245,350 km (0.06 R)
• M13: 6,395,907 km (0.113 R)
• M14: 6,708,268 km (0.117 R)
• M15: 7,251,308 km (0.115 R)
• M16: 8,394,834 km (0.107 R)
• M17: 8,961,361 km (0.098 R)
• M18: 10,205,866 km (0.048 R)
• M19: 10,561,161 km (0.078 R)
• M20: 10,924,684 km (0.115 R)
• M21: 11,638,415 km (0.064 R)
• M22: 11,948,083 km (0.086 R)
• M23: 12,343,021 km (0.112 R)
• M24: 15,309,397 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.6

Radius: 12

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.22 AU - 4.56 AU

Year: 5848 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,294,371 km

• M1: 150,047 km (0.053 R)
• M2: 737,518 km (0.054 R)
• M3: 1,237,773 km (0.111 R)
• M4: 2,302,760 km (0.069 R)
• M5: 2,792,394 km (0.12 R)
• M6: 3,369,094 km (0.109 R)
• M7: 4,339,236 km (0.107 R)
• M8: 4,831,712 km (0.101 R)
• M9: 7,247,718 km (0.08 R)
• M10: 11,262,176 km (0.084 R)
• M11: 11,936,414 km (0.101 R)
• M12: 12,548,269 km (0.115 R)
• M13: 17,267,484 km (0.054 R)
• M14: 18,566,293 km (0.083 R)
• M15: 20,356,979 km (0.051 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 19,453 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit