🌌 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 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 8.7

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.5 AU - 0.6 AU

Year: 277 Days

Day: 13.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,287,207 km

• M1: 108,309 km (0.087 R)
• M2: 407,056 km (0.054 R)
• M3: 742,903 km (0.082 R)
• M4: 1,028,037 km (0.056 R)
• M5: 1,300,305 km (0.043 R)
• M6: 1,614,909 km (0.103 R)
• M7: 2,472,254 km (0.117 R)
• M8: 2,981,486 km (0.108 R)
• M9: 3,687,737 km (0.115 R)
• M10: 4,118,729 km (0.067 R)
• M11: 4,722,057 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 11.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,287,207 km

• M1: 148,102 km (0.118 R)
• M2: 591,360 km (0.094 R)
• M3: 1,066,184 km (0.089 R)
• M4: 1,501,963 km (0.07 R)
• M5: 1,917,097 km (0.109 R)
• M6: 2,329,538 km (0.048 R)
• M7: 3,032,648 km (0.105 R)
• M8: 3,727,979 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 10

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 11.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,287,207 km

• M1: 124,615 km (0.103 R)
• M2: 500,255 km (0.037 R)
• M3: 942,915 km (0.106 R)
• M4: 1,435,092 km (0.099 R)
• M5: 1,830,330 km (0.108 R)
• M6: 2,189,365 km (0.035 R)
• M7: 2,697,250 km (0.06 R)
• M8: 3,548,910 km (0.092 R)
• M9: 4,366,014 km (0.082 R)
• M10: 5,469,597 km (0.079 R)
• M11: 5,829,380 km (0.101 R)
• M12: 6,150,118 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 13.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.08 AU - 1.24 AU

Year: 847 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,287,207 km

• M1: 164,109 km (0.086 R)
• M2: 627,413 km (0.087 R)
• M3: 1,170,454 km (0.104 R)
• M4: 1,635,404 km (0.099 R)
• M5: 2,215,245 km (0.061 R)
• M6: 3,161,302 km (0.067 R)
• M7: 3,617,725 km (0.117 R)
• M8: 4,039,591 km (0.047 R)
• M9: 4,717,270 km (0.046 R)
• M10: 5,431,151 km (0.102 R)
• M11: 6,111,223 km (0.063 R)
• M12: 6,559,119 km (0.064 R)
• M13: 7,354,830 km (0.073 R)
• M14: 8,011,864 km (0.101 R)
• M15: 8,707,643 km (0.111 R)
• M16: 9,138,784 km (0.061 R)
• M17: 9,612,561 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 13.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.5 AU - 2.18 AU

Year: 1693 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,287,207 km

• M1: 183,108 km (0.113 R)
• M2: 678,127 km (0.109 R)
• M3: 1,158,037 km (0.09 R)
• M4: 1,714,242 km (0.11 R)
• M5: 2,303,957 km (0.076 R)
• M6: 2,836,376 km (0.116 R)
• M7: 3,812,053 km (0.058 R)
• M8: 4,276,405 km (0.096 R)
• M9: 5,448,354 km (0.068 R)
• M10: 5,942,027 km (0.108 R)
• M11: 8,102,669 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.2

Radius: 6.5

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.41 AU - 7.85 AU

Year: 12913 Days

Day: 17 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,287,207 km

• M1: 80,932 km (0.119 R)
• M2: 362,625 km (0.107 R)
• M3: 746,344 km (0.042 R)
• M4: 1,554,771 km (0.089 R)
• M5: 1,879,697 km (0.112 R)
• M6: 2,318,169 km (0.072 R)
• M7: 2,704,730 km (0.12 R)
• M8: 2,985,525 km (0.102 R)
• M9: 3,219,795 km (0.081 R)
• M10: 4,553,610 km (0.108 R)
• M11: 5,786,595 km (0.079 R)
• M12: 6,392,616 km (0.107 R)
• M13: 6,892,572 km (0.119 R)
• M14: 7,889,792 km (0.076 R)
• M15: 8,549,369 km (0.074 R)
• M16: 8,936,229 km (0.08 R)
• M17: 10,166,970 km (0.097 R)
• M18: 11,558,679 km (0.086 R)
• M19: 14,653,710 km (0.068 R)
• M20: 15,711,965 km (0.057 R)
• M21: 16,887,056 km (0.1 R)
• M22: 20,004,377 km (0.06 R)
• M23: 20,305,368 km (0.084 R)
• M24: 22,336,907 km (0.113 R)
• M25: 23,318,568 km (0.072 R)
• M26: 25,192,730 km (0.107 R)
• M27: 25,455,723 km (0.07 R)
• M28: 29,045,025 km (0.08 R)
• M29: 31,616,762 km (0.091 R)
• M30: 34,014,816 km (0.111 R)
• M31: 36,419,602 km (0.087 R)
• M32: 39,287,243 km (0.025 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 13,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit