🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.45 AU - 0.67 AU

Year: 275 Days

Day: 42.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 11.1

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.99 AU - 1.05 AU

Year: 676 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,253,234 km

• M1: 138,079 km (0.104 R)
• M2: 547,229 km (0.073 R)
• M3: 947,852 km (0.11 R)
• M4: 2,859,264 km (0.073 R)
• M5: 3,343,662 km (0.115 R)
• M6: 3,691,776 km (0.119 R)
• M7: 4,141,767 km (0.099 R)
• M8: 5,485,904 km (0.079 R)
• M9: 5,972,994 km (0.058 R)
• M10: 6,320,510 km (0.096 R)
• M11: 7,011,652 km (0.042 R)
• M12: 7,468,674 km (0.069 R)
• M13: 8,142,014 km (0.062 R)
• M14: 8,829,117 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 13

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.38 AU - 2.12 AU

Year: 1519 Days

Day: 10 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,253,234 km

• M1: 161,715 km (0.077 R)
• M2: 576,550 km (0.081 R)
• M3: 1,063,790 km (0.044 R)
• M4: 2,382,346 km (0.118 R)
• M5: 3,136,619 km (0.081 R)
• M6: 4,986,845 km (0.117 R)
• M7: 5,918,391 km (0.097 R)
• M8: 6,702,433 km (0.079 R)
• M9: 7,279,283 km (0.098 R)
• M10: 8,179,712 km (0.056 R)
• M11: 8,615,491 km (0.031 R)
• M12: 10,358,605 km (0.114 R)
• M13: 11,098,068 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595

Radius: 5.6

Gravity: 18.97 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.23 AU - 8.21 AU

Year: 14071 Days

Day: 18 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,253,234 km

• M1: 69,713 km (0.097 R)
• M2: 259,403 km (0.047 R)
• M3: 514,916 km (0.091 R)
• M4: 1,557,164 km (0.102 R)
• M5: 2,768,159 km (0.079 R)
• M6: 3,445,987 km (0.076 R)
• M7: 3,768,221 km (0.116 R)
• M8: 4,022,986 km (0.054 R)
• M9: 4,989,089 km (0.057 R)
• M10: 5,437,135 km (0.055 R)
• M11: 6,334,123 km (0.062 R)
• M12: 6,573,031 km (0.075 R)
• M13: 8,464,996 km (0.046 R)
• M14: 8,754,916 km (0.107 R)
• M15: 11,145,789 km (0.095 R)
• M16: 13,542,497 km (0.044 R)
• M17: 13,739,966 km (0.109 R)
• M18: 18,025,795 km (0.047 R)
• M19: 22,475,285 km (0.1 R)
• M20: 23,692,114 km (0.064 R)
• M21: 24,268,215 km (0.111 R)
• M22: 27,499,679 km (0.088 R)
• M23: 28,673,573 km (0.082 R)
• M24: 32,748,619 km (0.094 R)
• M25: 33,104,662 km (0.113 R)
• M26: 35,795,180 km (0.113 R)
• M27: 54,055,994 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.6

Radius: 7.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.02 AU - 11.46 AU

Year: 19941 Days

Day: 22.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,253,234 km

• M1: 96,042 km (0.069 R)
• M2: 564,582 km (0.086 R)
• M3: 834,008 km (0.062 R)
• M4: 1,798,914 km (0.075 R)
• M5: 2,619,758 km (0.106 R)
• M6: 3,056,135 km (0.113 R)
• M7: 3,774,055 km (0.075 R)
• M8: 4,130,248 km (0.116 R)
• M9: 4,478,811 km (0.062 R)
• M10: 5,608,723 km (0.109 R)
• M11: 6,524,562 km (0.074 R)
• M12: 7,925,246 km (0.113 R)
• M13: 9,615,702 km (0.095 R)
• M14: 9,970,249 km (0.092 R)
• M15: 13,439,873 km (0.101 R)
• M16: 15,755,797 km (0.108 R)
• M17: 16,391,738 km (0.086 R)
• M18: 18,171,205 km (0.07 R)
• M19: 18,870,575 km (0.119 R)
• M20: 19,107,538 km (0.047 R)
• M21: 19,830,694 km (0.091 R)
• M22: 20,405,598 km (0.073 R)
• M23: 22,109,518 km (0.113 R)
• M24: 22,461,372 km (0.068 R)
• M25: 25,894,943 km (0.066 R)
• M26: 26,187,855 km (0.112 R)
• M27: 28,403,400 km (0.099 R)
• M28: 29,876,640 km (0.118 R)
• M29: 30,959,728 km (0.095 R)
• M30: 36,524,619 km (0.07 R)
• M31: 38,772,627 km (0.06 R)
• M32: 41,376,527 km (0.072 R)
• M33: 44,652,421 km (0.12 R)
• M34: 46,497,113 km (0.076 R)
• M35: 48,244,416 km (0.084 R)
• M36: 48,539,872 km (0.103 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: 257 - 12,344 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit