🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.7

Radius: 15

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.44 AU - 0.7 AU

Year: 292 Days

Day: 11.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,597,200 km

• M1: 186,848 km (0.119 R)
• M2: 840,890 km (0.096 R)
• M3: 1,399,488 km (0.078 R)
• M4: 2,238,433 km (0.079 R)
• M5: 2,842,659 km (0.031 R)
• M6: 3,565,216 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 13.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,597,200 km

• M1: 165,455 km (0.118 R)
• M2: 617,390 km (0.054 R)
• M3: 1,041,949 km (0.098 R)
• M4: 1,485,058 km (0.087 R)
• M5: 2,040,216 km (0.096 R)
• M6: 2,531,046 km (0.117 R)
• M7: 3,100,865 km (0.06 R)
• M8: 3,678,312 km (0.069 R)
• M9: 4,649,352 km (0.107 R)
• M10: 5,082,887 km (0.056 R)
• M11: 5,766,998 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 13.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.69 AU - 0.91 AU

Year: 485 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,597,200 km

• M1: 166,652 km (0.101 R)
• M2: 591,360 km (0.102 R)
• M3: 1,068,578 km (0.091 R)
• M4: 1,957,039 km (0.102 R)
• M5: 2,528,653 km (0.087 R)
• M6: 3,083,362 km (0.083 R)
• M7: 3,850,350 km (0.087 R)
• M8: 4,279,845 km (0.092 R)
• M9: 5,403,176 km (0.068 R)
• M10: 6,162,834 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 13.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.72 AU - 0.98 AU

Year: 532 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,597,200 km

• M1: 167,849 km (0.105 R)
• M2: 834,307 km (0.101 R)
• M3: 1,286,242 km (0.09 R)
• M4: 1,790,238 km (0.111 R)
• M5: 2,389,228 km (0.116 R)
• M6: 2,825,605 km (0.117 R)
• M7: 3,435,066 km (0.107 R)
• M8: 3,862,916 km (0.092 R)
• M9: 4,397,878 km (0.119 R)
• M10: 5,499,816 km (0.112 R)
• M11: 5,999,922 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902

Radius: 11

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.39 AU - 2.31 AU

Year: 1707 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,597,200 km

• M1: 138,528 km (0.116 R)
• M2: 481,107 km (0.104 R)
• M3: 929,152 km (0.118 R)
• M4: 1,307,336 km (0.117 R)
• M5: 1,854,565 km (0.102 R)
• M6: 2,429,769 km (0.038 R)
• M7: 3,152,177 km (0.115 R)
• M8: 5,356,501 km (0.119 R)
• M9: 5,729,150 km (0.068 R)
• M10: 6,320,809 km (0.062 R)
• M11: 6,898,556 km (0.026 R)
• M12: 7,597,627 km (0.093 R)
• M13: 8,099,378 km (0.049 R)
• M14: 8,623,270 km (0.081 R)
• M15: 9,104,078 km (0.117 R)
• M16: 11,059,471 km (0.074 R)
• M17: 12,740,203 km (0.116 R)
• M18: 14,009,392 km (0.057 R)
• M19: 14,674,803 km (0.115 R)
• M20: 15,783,174 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.4

Radius: 3.3

Gravity: 80.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.03 AU - 10.33 AU

Year: 18865 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,597,200 km

• M1: 41,439 km (0.076 R)
• M2: 298,897 km (0.077 R)
• M3: 425,008 km (0.117 R)
• M4: 947,254 km (0.088 R)
• M5: 1,239,867 km (0.101 R)
• M6: 1,488,349 km (0.09 R)
• M7: 4,796,557 km (0.093 R)
• M8: 5,484,108 km (0.082 R)
• M9: 8,621,176 km (0.105 R)
• M10: 9,515,771 km (0.11 R)
• M11: 10,165,624 km (0.119 R)
• M12: 12,292,008 km (0.098 R)
• M13: 13,205,154 km (0.07 R)
• M14: 14,774,286 km (0.102 R)
• M15: 16,546,871 km (0.107 R)
• M16: 16,968,737 km (0.1 R)
• M17: 17,484,251 km (0.096 R)
• M18: 20,219,349 km (0.108 R)
• M19: 22,091,417 km (0.086 R)
• M20: 26,979,527 km (0.068 R)
• M21: 27,212,002 km (0.078 R)
• M22: 32,936,963 km (0.072 R)
• M23: 44,227,563 km (0.087 R)
• M24: 52,791,144 km (0.102 R)
• M25: 52,972,756 km (0.105 R)
• M26: 54,071,702 km (0.066 R)
• M27: 54,626,859 km (0.088 R)
• M28: 58,230,971 km (0.12 R)
• M29: 59,009,478 km (0.037 R)
• M30: 69,988,167 km (0.08 R)
• M31: 70,427,237 km (0.106 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: 350 - 19,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit