🌌 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: 656.3

Radius: 12.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.72 AU - 0.78 AU

Year: 413 Days

Day: 12.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,433,399 km

• M1: 154,235 km (0.112 R)
• M2: 549,623 km (0.074 R)
• M3: 1,004,550 km (0.057 R)
• M4: 1,566,888 km (0.074 R)
• M5: 2,944,834 km (0.088 R)
• M6: 3,420,705 km (0.078 R)
• M7: 4,265,185 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608

Radius: 8.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.69 AU - 0.91 AU

Year: 455 Days

Day: 9.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,433,399 km

• M1: 108,309 km (0.101 R)
• M2: 397,781 km (0.095 R)
• M3: 737,518 km (0.05 R)
• M4: 1,082,640 km (0.067 R)
• M5: 1,668,914 km (0.109 R)
• M6: 1,968,409 km (0.119 R)
• M7: 2,286,005 km (0.104 R)
• M8: 2,568,446 km (0.092 R)
• M9: 2,863,902 km (0.101 R)
• M10: 3,475,009 km (0.08 R)
• M11: 3,876,679 km (0.096 R)
• M12: 4,610,008 km (0.114 R)
• M13: 5,206,455 km (0.057 R)
• M14: 5,767,447 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.9

Radius: 14.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.28 AU - 1.73 AU

Year: 1168 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,433,399 km

• M1: 177,872 km (0.07 R)
• M2: 651,349 km (0.115 R)
• M3: 1,397,843 km (0.09 R)
• M4: 2,040,515 km (0.088 R)
• M5: 2,505,316 km (0.077 R)
• M6: 3,169,231 km (0.081 R)
• M7: 3,654,227 km (0.114 R)
• M8: 4,439,317 km (0.097 R)
• M9: 5,049,975 km (0.097 R)
• M10: 6,631,374 km (0.092 R)
• M11: 7,802,127 km (0.045 R)
• M12: 9,076,701 km (0.111 R)
• M13: 9,905,623 km (0.109 R)
• M14: 10,684,430 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956

Radius: 4.3

Gravity: 51.7 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.12 AU - 9.56 AU

Year: 16711 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 128.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,433,399 km

• M1: 53,556 km (0.041 R)
• M2: 197,170 km (0.103 R)
• M3: 368,011 km (0.07 R)
• M4: 562,338 km (0.093 R)
• M5: 1,019,360 km (0.034 R)
• M6: 2,500,379 km (0.117 R)
• M7: 2,689,171 km (0.116 R)
• M8: 7,681,551 km (0.101 R)
• M9: 11,086,249 km (0.106 R)
• M10: 17,416,932 km (0.032 R)
• M11: 18,280,710 km (0.103 R)
• M12: 18,991,898 km (0.038 R)
• M13: 19,354,374 km (0.09 R)
• M14: 19,813,939 km (0.107 R)
• M15: 20,280,684 km (0.075 R)
• M16: 20,754,760 km (0.093 R)
• M17: 21,823,487 km (0.111 R)
• M18: 23,236,289 km (0.115 R)
• M19: 23,965,130 km (0.06 R)
• M20: 26,131,008 km (0.047 R)
• M21: 28,898,120 km (0.117 R)
• M22: 30,229,242 km (0.073 R)
• M23: 33,668,646 km (0.059 R)
• M24: 39,965,221 km (0.112 R)
• M25: 40,262,023 km (0.067 R)
• M26: 48,334,623 km (0.04 R)
• M27: 51,247,892 km (0.05 R)
• M28: 54,094,590 km (0.099 R)
• M29: 57,045,109 km (0.09 R)
• M30: 61,669,029 km (0.08 R)
• M31: 65,091,380 km (0.054 R)
• M32: 68,003,153 km (0.116 R)
• M33: 74,532,502 km (0.088 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit